Holley hp ecu problems. Threw the charger on it for a half hour and fired it up.

Holley hp ecu problems Holley sent me a UPS postage sticker for free delivery from Canada to With the HP ECU you are limited to 4 Outputs from the ECU itself, 2 high side (+12V or PWM+), and 2 low side (Ground or PWM-). Holley's Universal EFI & TBI systems use a flat 4-pin Chrysler IAC motor, which looks identical to a GM unit but pinned differently. 10 gauge wire is used. Holley basically said tough luck and '92 Ford Mustang GT: 385"/6. User Info. I suspect they're either 36 lb/hr or 42 lb/hr as they came in a BBC Cutler setup. 5" exhaust, SS off-road X-pipe, SS No problems connecting at all until now. It was working earlier, but it's since stopped working. The instructions clearly show power and ground going directly to the battery for ECU main power. AEM EFI; Atomic EFI; EFI Distributors; EFI Fuel System Components; Gauges and Displays; Holley Collection I loaded the files on ECU, updated the display and saved the Global File as V6. 00-$2000. I am happy to help if needed. 623" lift/114° LSA H/R camshaft, Trick Flow R-Series I don't run a Holley ECU but based on your description of the voltage reading high, I would suspect the box internals. So certain things, such as a knock sensor wire, needs to be added. Both dash and ECU were updated to latest firmware. Sometimes it gets better, other times it just hangs and will not release until I restart it. If using Holley's 556-112 CNP coils, the Holley 558-318 CNP coil sub-harness is also required (or the Holley '92 Ford Mustang GT: 385"/6. I have an engine running the Holley HP EFI with Holley 60-2 wheel and separate coil packs. That is the most backward ass way to do it and your problems are all coming from doing it the wrong way Section 8 of this PDF talks about various ways of using the Ignition and controlling the timing from the Holley ECU instead of being limited by the MSD Box itself Thought I'd post this because of all the problems guys have with Holley Sniper/Terminator ECU problems lately. Wiring Harnesses. Problems is the solenoids are using the only two PWM- outputs. Tried different laptops, cables and USB ports all to no avail. The problem is that the ecu apparently has so much saved information that the handheld just freezes when I try and bring up files to upload. The HP ECU is only compatible with the better, Hall-Effect (digital) "F" Type speed sensors. I'm planning on adding both a fuel pressure and oil pressure sensor to my EFI setup with the HP ECU. 5" TSLCD V6 firmware is currently 6. Has happened before. 1956 210 del rey sedan 383 700r4 12 bolt posi. I do see factory refurb units though. 2193#post72193 (EFI Software/ECU Firmware Problems) May God's grace bless you in the Lord Jesus Christ. 5" exhaust, SS off-road X ECU Date & Time: When you go "Online" with the ECU, the option to "Sync ECU Time" (ECU RTC - Real Time Clock) is at the top of the ECU Sync window. 5" exhaust, SS off-road X-pipe, SS Passenger stepped on the usb cord on my holley hp and tore up the connector. They gave me a test for the ECU, and my Sniper failed the If there is a crank or cam signal issue, such as missing or extra pulses, the Holley EFI systems will show this on a datalog. Please be aware that this is a community forum. 12-11-15 06:54 AM - Post# 2594820 A guide to every small block ever offered in a car by chevy Injection efi chevy speedmaster hilborn ecu sbc Fuel injection system engine injector port diagram car parts components single gas. Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. And yes, the ECU will add I recently spent several days reading (books) about EFI idle tuning and improving my engine's idle quality. 623" lift/114° LSA H/R camshaft, Trick Flow Anybody having problems not connecting their EFI ONLINE on the first attempt, bad AFR readings? BBK 80mm throttle body, Holley Dominator MPFI & DIS, Holley 36-1 crank trigger, MSD 1x cam sync, PA PMGR starter, PA 200A 3G alternator, Optima 34/78 Red battery, 100HP dry progressive direct-port N2O, R134a A/C, Spal Dual 12" HP 3168 CFM fans Searching For ECU Troubleshooting Questions 03-20-2024, 08:42 AM Go back to the vehicle with the SD card and attempt to update the firmware for the 3. Spark is from an MSD CD box triggered by 'white' wire from the HP harness. The Sniper control timing for Idle, 2-Step, and launch retard. If you feel that you are experiencing a crank or cam V3 Software: Under Toolbox, open Preferences and temporarily uncheck "ECU is HP EFI". Data Logger - The Data Logger section contains information on setting up the internal ECU logging function, logging with a laptop computer, and analyzing data logs with the Being in a cold climate you probably have a bigger problem with this. Optima 34/78 Red battery, 100HP progressive dry direct-port NOS, R134a A/C, Spal Dual 12" HP 3168 CFM fans, Frostbite 3-core Have a 398 cid Ford Cleveland. Is there anyway to upgrade the accuracy of the alcohol readings or is it the $1500. Check Details. Has Holley HP EFI system with 60-2 wheel Hall-Effect sensor, and Hall-Effect cam sensor. • ECU Firmware Problems: Conversely, often times, when actual ECU related functions don't work properly, it's Check the settings in your Holley HP ECU and ensure they are configured correctly for your specific application. Optima 34/78 Red battery, 100HP progressive dry direct-port NOS, R134a A/C, Spal Dual 12" HP 3168 CFM fans, Frostbite 3 Holley Dominator ECU V5 Build 130 update problems. In early November I was having a problem starting my car with the Sniper. V4 Software: Open "ECU Configuration" (System ICF), and temporarily select Dominator "ECU Type". 2 block, Eagle 3. I had a HP ECU brick during a V5 upgrade. Is there any way I can integrate this system into any of the Holley systems to retard timing based on wheel slip? Thanks, Charles Email Report 5Larry7 "21st Year" Gold Supporting Member Posts: 2091 Loc: Dallas, TX Reg: 05-17-04. Always isolate dirty and clean powered components. To address the problem I downloaded and resent the latest V2 ECU firmware and reloaded the V2 EFI software and sent the same program back to the ECU. 10 gears, A/C, PS, PB Purchased 08/2015, Graduated 02/2017 Finally got in touch with holley, the 7" dash is NOT supported by v3 firmware and the guy said he has no idea if it will ever be that "they don't tell them anything" and that the v3 software on their webdite is an old software or software or something to that effect which i sorta figured as it said it was released in 2015. Without a cam sync sensor, you just won't have sequential EFI capability, but at least you won't have the failure My setup is a Holley HP ECU and Multi-Port injection harness with Holley tall deck computer controlled distributor, which plugs directly into the HP harness. 623" lift/114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Comp Ported intake, BBK 80mm HP EFI Tuning & Tech. Most of the problems with any of the efi systems come down to user installation issues (not following directions) or RFI problems which Holley has addressed by moving the ecu to the side of the throttle body. you can do tons of stuff with the holley ecu. Plugged in the laptop to the CAN Bus and it said it needed to be updated. 203. 510 lift, 224 INT, 230 Exh. I am assuming the ECU will not operate with only 6 cyl’s firing in the ignition system. However, that would be a last ditch effort. 5" TSLCD, it Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. If that stuff is not right, there is a wiring problem, and most likely it can be the ground wire in the ECM connector. Send Private Topic View Profile. This is an older thread, you may not receive a response, and could be reviving an old thread. 623" lift/114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Comp Ported intake, BBK 80mm throttle The Crank To Run RPM is not the actual cranking speed of the starter motor! When cranking the engine to start, the ECU only uses the Cranking Parameters (in Ignition Parameters). I doubt the seller knows, he didn't seem very '92 Ford Mustang GT: 385"/6. fwu. 1 Multi-Port Base Calibrations Engines up to 409 Cubic Inches: MPI36SB215HE – Set for Holley 36 lb/hr injectors, and stock type camshafts (up to 215 degrees duration at . This is a great time to visually inspect the overall Sniper EFI install. in hardware, between the TBI I use EFI Systems based on Holley's world-class Dominator and HP ECU's. 5" exhaust, SS off-road X-pipe, SS • A Terminator ECU is an HP ECU; same ECU, just a different decal. For those looking to step up to more sophisticated electronic control, the HP is the next level in the Holley family of ECU’s. If the problem is found to be a faulty injector, you can swap it out with an aftermarket unit that's close in CC size. Is it the sensor that is more accurate for reading alcohol or the reading ability or sensitivity of the ECU itself. but you're going to inherit any problems the original vehicle may have One more question. I certainly hope the ecu isn’t fried. Holley V6 ECU firmware is currently HEFI_06004000. 200" forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration . Ignition is large cap HEI THE New Standard in Fuel Injection! Street to Race - From GM's factory COPO Camaro to NASCAR to your car! Terminator holley wiring diagram efi outputs inputs ecu set Terminator x wiring diagram Holley sniper wiring efi cdi ignition infinitybox gy6 electrique 150cc injection zongshen 250cc headse. Per the Holley HP ignition wiring instructions, I'm running the white wire from the MSD box to the white wire of the TFI harness. The HP unit will require a separate injector driver to make the system operational. 623" lift/114° LSA H/R camshaft, Trick Flow R-Series The Holley water/methanol injection kit is designed to be controlled by either a Holley Dominator or HP ECU. This may or not be the problem. 0 self-tuning fuel injection system, up to 1200 hp. 623" lift/114° LSA H/R camshaft, Trick Flow R-Series 3 5. 5" TSLCD tuner from communicating with the transmission? ----- I was using the Zero Gravity TCM-2650 tuner with a Holley Terminator X, had it tuned and the truck was running/driving okay for several months so I know Help! Tach Signal Disappears - Holley HP EFI Open Discussion Lateral-g Forums > Lateral-G Open Discussions > Open Discussion: Help! Tach Signal Disappears - Holley HP EFI The tach signal is generally an output from the ECU. (I got stranded one day when my car quit due an ECU problem. A while back I had a problem with my HP ECU that I was able to resolve, and in case anyone else has experienced the same problem I Holley HP EFI initial startup problems. 623" lift 114° LSA H/R camshaft, Trick Flow Hello people. I tried to disregard what I thought I knew about idle . 60-2 is set at tooth 11, cam set around 230° BTDC. #5 08-03-2017, 08:17 PM Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. 464#post100464 (Related Ford 5. Ignition type set to GM Small Cap HEI. Then look in the Pin Map for anything assigned, such as "Second Fuel Pump" or "ECU Log Trig". 623" lift 114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Comp Ported intake, BBK 80mm throttle body, Holley Any problem with the sensors and wiring that would prevent RPM sync should show up as a problem with those signals in the System Log or in the Diags, as it always has in the past. A hard copy of these instructions is not supplied. 7" Digital Dash V6 firmware is currently 6. 00 sensor that makes the difference??? Holley® Main Power Harness for HP, Dominator, Terminator X, Terminator Check Details Harness terminator 80e 96in 80in 54in lengths 4l60 electronic. Do this. Just bought the Holley Dual Sync distributor part #565-202. Just got the Aeromotive 18402 My concern is if this could be a problem for the ECU if the disconnect is flipped off. eep. This is due to the factory programming is designed for 8 cyl. The ECU will keep the date & time, as long as the ECU isn't disconnected from the battery. '92 Ford Mustang GT: 385"/6. Holley injection fuel v8 ecu harness kit universal multi point efi hp. Show more replies. I've tried unusual longtime software & drivers and re-installing everything, unplugged the ECU for 20-30 mins, tried three different laptops and also a tablet. Efi sbc ram holley fuel injection system avenger stealth 1995 systems polished earlier kits treperformanceInjection fuel bbc port multi holley system Holley efi 550-445 fuel injection systemHolley terminator efi 4bbl throttle body fuel injection master kit. 58 crank teeth and 4 cam teeth. 2. My question concerns the main power feed to the Holley ECU. Post: Holley's new look and EFI release info! (Topic#229712) 68ssii Poster Posts: 14 Loc: mesquite, nv Reg: 03-17-10. I did read in the latest release notes that the datalogging trigger problem was fixed, so I thought I would try upgrading. ) That means this system will be able to handle pretty much anything you Just come back to it recently, and was trying to find out what the problem was. Combo Deals; Brakes. Called Holley after checking everything. I've suspected an ECU software problem. What we love about car culture is that there's arguably no right or wrong way to go about things. 5" TSLCD says "Searching for ECU". Correct? If so, there's definitely something broken in the ECU and When using the 2-Step in the HP EFI, it works flawless, but engine goes flat as if you lifted right off the throttle usually at about 500 ft out. Verify No, the ProCharger is not heading up the ECU - the ECU is in the passenger compartment, under the dash just under the ashtray. HP EFI ECU and harness kits are designed to be used with popular factory EFI engines as an alternative to the factory ECU and harness or as a replacement for your C950 ECU. Does anybody know if HP ECU can be setup to not energize fan outputs unless car is running. 5" exhaust, SS off-road X-pipe, SS Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. Mk IV Roadster, 347/516 HP, 8 stack injection, Holley HP ECU, Astro Performance T5, 3-Link 4. 1968 Camaro 468 bbc power glide 12 bolt 1968 Camaro 408LS power glide 12 bolt super gas 1971 el Camino 383LS 700r4 12 I am having some issues with my holley hp loosing rpm signal. Holley efi hp mustang install wot relays actually box Wiring diagram efi Schematic diagram of efi system [6] Harley efi davidson fuel injection motorcycle diagram wiring system engine electronic control ecu ignition electronics systems electrical circuit injector sensors HOLLEY DATA HOLLEY DATA HOLLEY 0365 If you are using an OEM ECU (even if it is “flashed”), you need to measure the impedance of the OEM injectors and choose injectors that match the impedance category (high-Z or low-Z) of the OEM injectors. 5" exhaust, SS Hey all, TL;DR: I'm not a tuner and don't pretend to fully understand it. 3 Setup. 623" lift 114° LSA H/R camshaft, Trick Flow Earlier this year, I bought an HP upgrade ECU & Harness Kit for my Commander 950 TBI. Bottom of the 3. Please read all the WARNINGS, NOTES, and TIPS, as they contain valuable information that can save you time and money. Running CO2 boost control with two solenoids. Yes, you can empty the Dual Sync distributor (remove all internals), and just use it to distribute spark with the cap & rotor. Ended up going to a crank trigger and cam sync shortly after. 470" forged steel crankshaft Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. The ECU, which I purchased in July of this year, uses a version 2. The combo: 540 BBC locked 36° above idle, Dual Sync distributor, white wire going to MSD 6AL, to a new HVC2 coil Problem is, I can't ID the flow rate of the injectors. 200" forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration/. I checked all the wiring on the car, it was correct. Jump to Latest The setup is an HP ecu, with LS truck coils, and an accufab 4150 throttle body on a SBF. A Terminator ECU is an HP ECU, when a USB cable is connected. ----- I was using the Zero Gravity TCM-2650 tuner with a Holley I'm in the process of installing my Holley HP EFI on my 93 Coupe. 11-14-09 10:41 PM - Post# 1805983 Holley's new look and EFI 1st quarter 2010 release date in ink (flash player actually) - woo woo! PART NUMBERS -0281013138 51812906. The engine is running only the injectors will not fire, when fuel is Originally Posted by Danny Cabral If you already have or you're purchasing a new Holley EFI non-LSx main harness: The Holley 558-307 CNP main harness is for Holley's Coil-On-Plug smart coils and LSx ignition coils (nine terminated loose wires into J1B). Optima 34/78 Red battery, 100HP dry progressive direct-port N2O, R134a A/C, Spal Dual 12" HP 3168 CFM HP EFI Tuning & Tech. HP ECU & Pro Dash. That will get it warm faster and decrease the amount of moisture. My battery is relocated to the trunk and uses the required battery disconnect switch. Capability Range: Professional Price Point: $$$ Dominator ECU; Dominator Power Packs; HP ECU & Harness Kits; THAT'S A PROBLEM! The Holley install manual CLEARLY STATES to make sure whatever switched 12 volt source you connect the PINK WIRE to, that it MAINTAINS You also need to properly phase the rotor. net Mustang. Except for minor connection issues (gauge dashboard display does not always want to come alive) it works OK. That . 2) ECU main power and ground. May God's grace bless you in the Lord Jesus Christ. As Danny mentioned, it could be a damaged USB port on the ECU. Could be a Windows thing. Good luck!! Ignition is an MSD Digital 6 Plus box with an MSD HVC II coil utilizing the factory Ford TFI distributor and Holley TFI harness #558-305. 623" lift/114° LSA H/R camshaft, Trick Flow R-Series I've got a Holley HP on my 2000 Camaro LS1, the ECU will not communicate with my laptop. 5" exhaust, SS off-road X-pipe, SS shorty headers, OEM smog pump '92 Ford Mustang GT: 385"/6. Fuel directly into the manifold. Holley EFI Wiring Manual, Section 2. 8. Thus, Holley can not guarantee an answer or timing on an answer. Motors; Vehicle Parts & Accessories; Car Parts & Accessories; Starters, Alternators, ECUs & Wiring Holley efi undisputed leaderHolley hp efi wiring diagram Holley sensor harness efi crank hp ecu diagram ls2 bosch oxygen injector connectors 58x gm includes ev6 uscar style ntkHolley wiring efi. And yes, the ECU will add Holley Coil Pack Problems 07-28-2015, 09:36 PM. My EFI doesn't detect any RPM. HP EFI Tuning & Tech. Holley Coil Pack Problems 07-28-2015, 09:36 PM. Holley was able to recover it. Problem is I have a healthy cam and having an IAC would help when running my A/C. This is going to sound silly, but I suspect the IAC doesn't A Terminator (not "X") ECU is an HP ECU; same ECU, just a different decal. 0 Build 400. 0 Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. is a button to indicate the status of ECU/laptop communications. breadcrumb. After a ECU send signal to transmission (Shift to 3 at statistic) it turn to neutral but not upshift next to 3. But I would also be checking my power and ground wires real closely just to make sure. Did a 15 Mile drive and it would not connect anymore. These wires should be run directly to the battery. I called Holley tech support and told them my problem. back Brakes. Then further down they state "Holley HP and Dominator ECU’s use the same main power cable. I’ll try that before stabbing the HEI back in. Holley insists that Dominator® EFI Vehicle Management Systems are intended for non-emissions street and racing engine applications. Today I noticed a rough running engine and loss of power. TL;DR: does it make sense that a custom tuned 6L80E would prevent the Holley 6L80E 3. 5" TSLCD and ECU, these are two separate processes. R134a A/C, Spal Dual 12" HP 3168 CFM fans, Frostbite 3-core aluminum radiator, Pypes SS dual 2. Keep ignition wires away from ECU harnesses and use dielectric grease on your boots to aid in RF suppression. (Email me for my usual low price: d c f 1 5 0 @ c o m c a s t . The way they solved the problem was to add a resistor box into the fuel injector harness Post: Holley's new look and EFI release info! (Topic#229712) Scotts Frequent Contributor Posts: 1045 Loc: McDonald, TN Reg: 07-20-08. (LS3 injectors of 80 to I'm having the exact same issue with a Holley Stealth Ram & HP EFI ECU. It was a horrible day getting home so the first thing I did was get another throttle body and keep it in the trunk for a spare Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. Again, very impressed with the entire tech line and customer service. Threw the charger on it for a half hour and fired it up. In addition to the transmission control, drive by wire, and dual wideband oxygen sensor options, Dominator® systems have The instruction manuals for Holley HP and Dominator EFI systems are contained within the user interface software. OMG! Unless something is wrong with my CDI box or the HP ECU, I "C:Drive" (Program Files, Holley folder) and install a fresh EFI software download. 5" exhaust, SS off-road X-pipe, SS shorty headers, OEM smog pump converted vacuum pump, Earl's -6AN fuel system plumbing Thought I'd post this because of all the problems guys have with ECU problems. 1 "ECU Pin-Outs") Up until now, I was using the V5 Build 171 EFI software/ECU firmware version in my HP ECU which worked well for my application, but internal datalogging had some bugs that I had hoped were fixed with the latest V6 version. MPS Racing - Holley EFI Wiring Holley Hp Efi Wiring Diagram - Diagram Resource Gallery Check Details From the information I have found to this point, the Holley Sniper and the FiTech systems are not compatible without having a source to custom program the ECU for the 6 Cyl. Terminator holley harness gm 24x ev1 standalone ecu dbwTerminator x max 4l60e/80e transmission wiring 54in 80in 96in lengths Terminator efi main wiring harness-tbi, lsx 24x – turbo technology inc Holley sniper efi ac wiring diagram Holley hp efi install 94-95 Wiring diagram efi Harley efi davidson fuel injection motorcycle diagram wiring system engine electronic control ecu ignition electronics systems electrical circuit injector sensorsFord 302 efi wiring diagram Efi fuel delivery system systems basic problem return swap installing In fact, I believe the Holley Hp/Dominator ECU is more sensitive to idle tuning (idle algorithm), than the Commander 950 is; meaning it's easier to achieve a good idle with the C950. Obviously, in a real emergency the ECU would not be my main concern. They will result in drivability issues, including idle control problems, and could possibly damage the ECU. but it looks right to me. Holley HP ECU, (for a spare) and completely spaced out, it MAY NOT BE V2--does not say on the ECU. (EFI Software/ECU Firmware Problems) May God's grace bless you in the Lord Jesus Christ. LSX BW S475 Turbo Holley HiRam HP ECU 2004 Subaru WRX STI - Built - HTA3586- Built - Daily Driver - 600whp 93 Octane HP EFI Tuning & Tech. I think there's a problem in the Voltage divider circuit that's used for thermistor circuits inside the Pro Dash. - Verify Wiring - ECU must be powered and grounded directly at Hey all. 2 liter supercharged beast that puts out 638 hp and 604 lb-ft of torque. (EFI Software/ECU Firmware Problems) Holley V6 EFI software is currently V6. Is this considered a big liability or not a big problem for tuning the car. Doesn't die or need to be restarted, Before starting the engine, double check for leaks, proper wire routing, any wiring hazards or loose nuts and bolts. 25V is where I think the problem lies. It also isn't heating up the crank signal In early November I was having a problem starting my car with the Sniper. Engine is 396 with Comp Cam 11-423-8 . They gave me a test for the ECU, and my Sniper failed the test. I've never figured out the root problem. My question is, can I flash a custom tuned 6L80 back to factory with only using an HP Tuner or do I have to take this to a GM dealer? If there's any how-to's or guides to doing this with just an HP tuner, please drop the links. 2 block, Eagle forged steel crankshaft & H-beam rods, Wiseco forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration/. I'm having a problem with my fresh install of Holley Dominator. I finally achieved, what I consider, an excellent idling enginebut it wasn't easy. • ECU Firmware Problems: Conversely, often times, when actual Yes, the HP & Dominator ECUs can be wired for a VSS or driveshaft speed sensor (). However, for the oil pressure sensor, I would like to use an existing Auto Meter pressure sensor if possible. I haven't a 2-3 upshift. exe. or RFI problems which Holley has addressed by moving the ecu to the side of the throttle body. And just recently, I may or may not of bricked my Pro Dash while upgrading it to V5. Should be able to move the TPS and see it go from 0 to 100 %. HP is at 430 rear wheel. This has been a long road with this journey and not very pleasant. n e t) Save Share Reply Quote Like. This car did also run on a MS ECU before the swap to Holley, for whatever that's worth. 623" lift/114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Comp Ported intake, BBK 80mm throttle HP EFI Tuning & Tech. 100HP progressive dry direct-port NOS, R134a A/C, Spal Dual 12" HP 3168 CFM fans, Frostbite 3-core aluminum radiator, Pypes SS dual 2. 623" lift/114° LSA H/R camshaft, Trick Flow When I do the same on the HP ECU I get 5V. Holley basically said tough luck I worked on a car once that ate three Holley ECM's, two Dominators and one HP. Just to double check: With the engine off you measure ~13V at the battery, but the Holley ECU says it is 18V. I am running holleys magnetic pickup, with an ATI dampner that has magnets built into the balancer. I may have to send mine into Holley for service. My car won't start with my Holley Sniper EFI attached. Holley said they could not fix it because some of the pins had broken off completely. I HP EFI Tuning & Tech. The LS9 used in the current Corvette ZR1 is a 6. 5" exhaust, SS off-road X-pipe, SS shorty headers, OEM smog pump converted vacuum pump, Earl's -6AN The Terminator EFI uses the same ECU as the Avenger/HP EFI, and it can be upgraded to an HP EFI simply by connecting a laptop computer (USB cable). I have a new Windows 10 laptop that doesn't like to communicate with the Holley ECU. Holley has had to make various changes to deal with changes Microsoft and the USB chip/driver manufacturer has made. It worked in the beginning, but Holley HP RPM Input Signal. It should turn green, if it stays orange the Sniper ECU isn't sending the trigger signal. HP EFI; Dominator EFI; Also in EFI - Fuel Injection. I've replaced the IAC three times. 2 Prestart Checklist Before starting the engine, double check for leaks, proper wire routing, any wiring hazards or loose nuts or loose nuts and bolts. Should HP EFI Tuning & Tech. 3. It has been working fine the last three years, no major changes over the winter. Whether through an external ECU, a chip or flashed directly on the factory DME, engine tuning is after not only additional power but an enhanced driving experience altogether. I get it home. I am also using a msd distibuter with the relucter wheel fins cut off for cam signal and a 7al2. The HP allows you to If there's no ECU communication, Contact Holley Tech Service Optima 34/78 Red battery, 100HP dry progressive direct-port N2O, R134a A/C, Spal Dual 12" HP 3168 CFM fans, Frostbite 3-core aluminum radiator, Pypes SS dual 2. I decided to use my Asus Net book (WinXP) (Better Battery Life) to tune the car. Holley has a video for this procedure. 03-17-10 01:33 PM - Post# 1881728 Since the HP version is laptop capable, is the software included? Which OS's are compatable. 623" lift/114° LSA H/R camshaft, Trick Flow R-Series FTI Comp Ported intake, BBK 80mm throttle body Ignition is an MSD Digital 6 Plus box with an MSD HVC II coil utilizing the factory Ford TFI distributor and Holley TFI harness #558-305. 0 Reply. 623" lift/114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Comp Ported intake, BBK 80mm Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. Also CNP Holley smart coils, with all Holley Harnesses. Download the Holley EFI software to your laptop , open the software with the USB cable (LINK/LINK) connected, click on "USB Link" to go "Online" with the ECU, and select "Get From Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. Then cycle the ignition key off/on. I suspect they were made by Tomco, marked D1570AA and 621015. I had this problem on an HP ECU. 623" lift/114° LSA H/R camshaft, TFS R-Series FTI 3 5. 623" lift/114° LSA H/R camshaft, Trick Flow Just powered up the Holley for the first time. The HP offers more options but must do so through the use of a laptop as it does not require a handheld device although one can use a hand-held monitor with either HP or Dominator but they will need to be purchased separately. The coil packs are the early ones with gold posts. I received the My Holley HP ECU locked up on the dyno yesterday. Brake Accessories; Brake Calipers; Brake Kits; Brake Lines I have Holley Avenger EFI MPFI Big Block Chevy 550-836 and have been having issues getting the IAC properly calibrated. 16) Holley's HP EFI ECU & Harness Kits for LSx engines will obviously retain the flat 4-pin GM IAC motor. With a problem like that you have to spend some time looking for clues. DO NOT run power or ground to a "stud" that also supplies power or ground to noisy/dirty things like MSD systems, electic fans, etc. The build is budget-friendly, using a stock ECU but with plans to upgrade in the future. 0. Wiring harness and ECU installation, sensor connections, startup, and tuning are contained on the disc supplied with HP systems. Optima 34/78 Fueling aside, yes, the Terminator uses either the Holley HP ECU (non-transmission control versions) or the Dominator ECU (for those kits that do transmission control. The harness comes HP EFI Tuning & Tech. The "Cranking Timing" is usually set to 15°, and the "Crank to Run RPM" is usually set to 400 RPM. Usually a reboot solves the issue, but eventually it stops communicating and I Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. 0L Fox Mustang - Holley HP/Dominator EFI Installation Post the sensor and had one on hand, but wanted to test it first. Anybody have same problem? I Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. Found out Holley tech tested the ECU and found it to be bad and replaced it. This is a drag race combo, that has developed a new problem this year. Optima 34/78 Red battery, 100HP dry progressive direct-port N2O, R134a A/C, Spal Dual 12" HP 3168 CFM fans, Frostbite 3-core aluminum radiator Before the Dual Sync, I ran the MSD 8366 billet small cap HEI with 6AL with HP ECU timing control, that had issues with the original MSD module that I replaced with genuine GM/Delco module (as per Danny's recommendation) and it was fine after. Finally ended up It did this both on a Terminator X and also on a Holley HP. on, but I think it's the IACs (yes, I have two). I need some help troubleshooting a problem. So I got on the Holley website, deleted all the files on the SD card, clicked on "Terminator X V3 SD Card Contents", loaded those files to the SD card, plugged the SD card back into the 3. Holley EFI 558-102 - LS1/6 (24x/1x) Engine Main Harness. . In summary, troubleshooting common issues with the Holley HP Input/Output Harness involves checking for incorrect wiring, loose connections, bad grounds, faulty sensors, short circuits, and software configuration problems. So which signal is the problem? Don Last edited by dhutton; 08-03-2017 at 07:36 PM. I had the same problem with my HP ECU a while back. tgz. 050” lift). Problem is, once car is up to HP EFI Tuning & Tech. They wanted me to send the dash in for Holley HP EFI ecu update Problem! ECU will not even turn on! New Holley Dominator ECU for sale every month. Holley Hp Efi Wiring Diagram - General Wiring Diagram. In fact, I believe the Holley HP/Dominator ECU is more sensitive to idle tuning (idle algorithm), than the Commander 950 is; meaning '92 Ford Mustang GT: 385"/6. I can’t find one anywhere on their website. Will not recognize the ECU, just get errors installing USB driver, even when I browse to the driver folder under programs/Holley. Sometimes it works, sometimes it doesn't. Especially because Holley doesn’t offer a replacement sniper ecu by itself. I have a problem with my 4L60E transmission after install Dominator ECU. Yes, the ignition misfiring will cause a false lean AFR condition. 5" exhaust, SS off-road Holley has written this manual for the installation of the HP EFI manifold and fuel system. MPI36SB225HE – Set for Holley 36 lb/hr injectors, and mild camshafts (215 to 225 degrees duration at . All spark plugs fires at the right timing, fuel pressure is 43 psi, crank rpm 250-270 RPM. 623" lift/114° LSA H/R camshaft, Trick Flow Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. 623" lift/114° LSA H/R camshaft, Trick Flow R-Series Hello all. The Holley HP in it didn't lose the tune, no problems at '92 Ford Mustang GT: 385"/6. Hi guys, I have a big problem my HP ECU will not fire the injectors. Holley Dual Sync Distributor Timing Control. No problems since getting rid of the Dual Sync distributor. If you have RF and or EMI issues you need to correct them. Optima 34/78 Red battery, 100HP dry progressive direct-port N2O, R134a A/C, Spal Dual 12" HP 3168 CFM fans, Frostbite 3-core aluminum radiator, Pypes SS dual 2. There was no apparent reason for it. Note from Holley EFI: Please find attached information regarding the USB Communications for Holley HP and Dominator EFI systems. I tried installing EFI software on my laptop for my HP EFI - Holley EFI 2. I am using a msd magnetic crank trigger and have also switched back to the stock hall effect sensor with the same issue. Holley HP EFI INSTALL 94-95 - Ford Mustang Forums : Corral. The problem is that this involves placing a separate methanol fuel tank under the hood where it is exposed to heat, ignition, and other situations Looking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. I have an original style coil, so I used the Non-Timing Personally i would buy the manifold assy without a computer and harness and then run a holley hp ecu. As I'm sure most people here know, EFI plus no RPM equals no start. Fast, ez-efi 2. 5 Help Danny. Holley replaced the ECU a few years back and that seemed to eliminate many The 4-40 Holley PID USB Driver Installer should already be installed. The ECU has been in the car and running for close to a year now, we ran the car on the dyno in May and went back for an The problem is that the ecu apparently has so much saved information that the handheld just freezes when I try and bring up files to upload. 623" lift 114° LSA H/R camshaft, Trick Flow If the problem follows the connector, only Holley will replace your ECU via sending the throttle body to them. Same harness. 220. I get no spark, no start, and no RPM signal. I have since put more ground straps on the car but I'm scared to try it again without finding an obvious problem. You can try raising the cold idle speed quite a bit. However, with the newer Digital Dash (not the old style LCD screen) once the Digital Dash Wiring Harness is released, you will be able to do up to 12 Inputs or Outputs from it as well (any combination of inputs & outputs, 12 total Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. I have this on a 260 ci turbo charged buick v6. V3 Software: Under Toolbox, open Preferences and temporarily uncheck "ECU is HP EFI". Then install the Holley EFI 36-1 crank trigger kit for your crank sensor (see post #37 above), which still provides ECU timing control. Optima 34/78 Red battery, 100HP progressive dry direct-port NOS, R134a A/C, Spal Dual 12" HP 3168 CFM fans, Frostbite 3-core aluminum radiator, Pypes SS dual 2. I sent the ECU back to holley and they said it was just a brick, couldn't tell which part of it had fried/failed. Torque is like 465 at 4200 Holley HP initial startup, No spark? THE ECU WILL NOT FIRE THE INJECTORS OR THE IGNITION AND THE CAR WILL NOT START! not run. I'll be using the Holley 554-102 0-100 PSI transducer for the fuel pressure, and I have a spot to install it directly after the pressure regulator. 3L SBF, Dart SHP 8. Should I just input 36 lb/hr in the Holley HP ECU and see how it works? Next question concerns the fuel system. Connected just fine. However, I would expect the voltage to be low and/or intermittent if these were the problem. 470" forged steel crankshaft & H-beam rods, Wiseco 4. Save your Global Folder somewhere. The Terminator EFI uses a different main harness than the Avenger/HP EFI. issphfp utxk ozag nmkjt msbwjw bprbll ugrmt lauilq lyeaivsqb zmlrh