Jeep Enthusiast Forums banner

Discussions Showcase Albums Media Media Comments Tags Marketplace

1-20 of 68 Results
  1. WK2 Grand Cherokee Forum
    I had the cam changed on my 2012 WK2 Overland 5.7 at the beginning of last summer. Since then, it's been unreliable to say the least. I had the work done at a local shop. After the work was complete, I drove the car home, and it shut off after about 20 miles. It wouldn't restart until I opened...
  2. Advanced Jeep Tech
    94 ZJ 5.2 (Pre OBD connector) Mid Atlantic Dealer Delivery though the ECU P/N came up as an export only when I looked it up. I am getting a CEL tied to code 32 and occasionally 21 According to my sheet those codes are for California Models only. I removed, cleaned and function checked the EGR...
    ecu
  3. XJ Cherokee Technical Forum
    Hi All My cherokee lost all HVAC controls and the cruise control recently on a trip up to canada. I had all the signs of a vacuum leak which I addressed and now I have heat, it comes out of the right vents, and I can control the speed. It was caused by a vacuum leak and the heater control valve...
  4. ZJ Grand Cherokee Forum
    Hey guys, after dozens of flood of threads in here finally i finished the car ground up. it's perfectly okay, rewired everything from scratch. changed almost all minor parts and running so smoothly. BUT THE PROBLEM IS FUEL CONSUMPTION it's literally drinking it, 5.9 ecu on 5.2 engine, costing...
  5. ZJ Grand Cherokee Forum
    Hello there, as you know recently i was having ASD issues with my 5.2 ZJ and eventually i decided to rewire everything from scratch. Found the problem though, there was so many open cable which possible to make short circuit. The thing is, previous owner installed 5.9 ecu (pcm) and most of pins...
  6. XJ Cherokee Technical Forum
    wires have been cut need pinouts wire diagram remix 87 88 89 90 ecm ecu
  7. Engines & Drivetrain
    My apologies if this is the wrong section of the forum, this is my first post here. 2009 jeep wrangler jk Dealership reported: New ignition coil due to starting issue Believed to be caused by a bad ground. Started rough idling big time while waiting in line at a drive thru, had a shop look...
  8. XJ Cherokee Technical Forum
    Hey everyone, A bit of background, I have a 91 XJ with a 4.0 block (4.7 stroker) and quite a few other modifications. It was running and has always run fantastic with the stock ECU, higher fuel pressure and upgraded injectors (runs clean enough to pass California emissions). Yesterday, I...
  9. XJ Cherokee Technical Forum
    Expert advice please! ’97 XJ Grand Cherokee, Anti-theft system, no power / ground to Injectors Hi from sunny South Africa. I hope there is someone on here who has expert knowledge of the ECU and Anti-theft system on this model. (SA Export model) Background - Overnight the XJ developed a...
  10. KK Liberty Forum
    Hi all, My 2012 KK is not charging. I think I need a new PCM, and I'm curious if I'm missing anything before I go buy a new one. The day I first got a low battery signal I replaced the battery, original was 10yrs old so it was time anyway. After I put a new battery in, the alternator got REALY...
  11. TJ Wrangler Technical Forum
    Hello. Jeep Wrangler 2004, 2.4L MT. I have replaced the electronic engine control unit. It needs the right setting because it doesn't work properly. We are unable to install the software update. We use HP tuners for Dodge. It has worked 10 times so far, but the menu for adding software does not...
  12. YJ Wrangler Technical Forum
    Just finished dropping in a reman 4.0 in my 93 YJ and for the life of me I can't figure out what's going on with the electrical gremlins that were never present before the swap. Initially, I was getting a crank, no spark condition with error code 11. ASD relay worked and fuel pump primed for 1-2...
  13. XJ Cherokee Technical Forum
    I'v been doing some searching, possibly ♫♩ in all the wrong places ♪♫, and cannot find a diagram for the ECU/ECM for my Jeep. The goal is to see if one can be scratch-built. I know that in another forum, for Subaru, one user had made on using a Rasberry Pi. I'm looking to go a little more...
  14. TJ Wrangler Technical Forum
    So I’ve almost completed a multi-year TJ ground up build. Background: Started with a Bare 2000 TJ chassis sitting on jack stands. Stripped frame of all paint and bracketry. Designed a double triangulated long arm rear suspension, long arm front. Welded all new brackets on. Put Cherokee high...
  15. YJ Wrangler Technical Forum
    I was driving the other day and shortly after I got fuel, my tac, speedometer and all of my gauges went dead. I thought/hoped it might be a loose fuse & continued to drive her for about an hour and then I started to loose a little power, she just couldn't maintain 75, I was driving on the...
  16. ZJ Grand Cherokee Forum
    Hi all I have 1997 JGC 5.2 limited edition. Couple of months ago, oil cooler of transmission was damaged and coolant in the radiator is mixed with transmission oil. After that we replaced the radiator and transmission oil. But transmission was damaged. After we rebuilt the transmission my...
  17. XJ Cherokee Technical Forum
    Heyo, let's start with the background of the issue with my 1991 Cherokee. 1. Fuel pump function degraded over time, would only prime at key on position under ideal temps. After much troubleshooting, which included replacing the entire fuel pump assembly and triple checking all of the grounds, I...
  18. YJ Wrangler Technical Forum
    I have a 90 manual wrangler with a 4.2, I recently did the head swap and fuel injection using parts from a 4.0 Cherokee. After doing the swap, I was able to get the jeep running, but only without the alternator fuse in. When I would put the alternator fuse in the pdc, the jeep would start, but...
  19. TJ Wrangler Technical Forum
    Hello, I have a 1982 Jeep CJ7 that I have swapped a 2003 TJ 4.0L engine and transmission into. I'm trying to supercharge it, but have found that the computer isn't re-flashable even though it's OBDII. What have most people done in order to supercharge or turbo the TJ 4.0L's? I know doing a...
  20. TJ Wrangler Technical Forum
    Hello Guys, I have a TJ 4.0L from 1999. I have a damaged ECU from a car crash. The current ECU has the part number P56041 - 471AD. Now I can buy an ecu with the part number P56041 - 520AB. Will this work on my car? If not, what numbers will do match for me? What does the last digits say? I...
1-20 of 68 Results
Top