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  1. Jeep CJ Forum
    I have a 72 CJ5 with a 74 AMC 232 in it. Ford motorcraft 2100 carburetor. Mechanical fuel pump. Mechanical fuel pump developed a leak that seems to be coming from the seam between the top and bottom of the pump. Picked up a new one at AutoZone and installed it. Jeep fired right up, but...
  2. XJ Cherokee Technical Forum
    So my Jeep has a long crank issue and I can only get it to start when I press the gas. I have had the fuel pump replaced twice in the last three months. Most recently 2 days ago. At that time the car would not start at all, regardless of what I tried. I towed it to the shop and I was advised...
  3. WJ Grand Cherokee Forum
    I went to the store ran just fine I went to leave and it wouldn't start so I got it towed home well a couple day later I got in it it started and I was coming home from work and it died on me so I took out the fuse and tried to jump the pump and nothing got it towed home and right now it started...
  4. Jeep Grand Cherokee & Commander Forums
    Just bought my first jeep a few months ago. Started having an issue when cruising at any speed where the exhaust tone dramatically changes to a low tone and the rpms lock at 2000 and will not go up with acceleration. Unable to gain anymore then my current speed or lower. If I slow down I can not...
  5. Jeep Grand Cherokee & Commander Forums
    Hi - I have a 2013 Grand Cherokee Laredo. I have a strange situation where the truck will start completely fine first thing in the morning, but for the rest of the day it will have a long crank before starting if it is off for more than ~20 minutes. I initially thought it needed a tune up and so...
  6. TJ Wrangler Technical Forum
    I’m not sure if these two things are related but my 97 TJ has had trouble starting lately. I ended up narrowing this down to be a fuel problem (when not running, the fuel rack slowly loses pressure). I’m not sure where the leak is coming from. I have replaced the fuel pump assembly (fuel gage...
  7. TJ Wrangler
    Hey guys, I recently replaced my fuel pump on my 97 TJ. When I replaced it I noticed the gage when the tank is full only reads half a tank, and makes it’s way to “empty” with a half tank still left. It even drops so far down that the gas light turns back off haha. Not sure if there’s any...
  8. Jeep Engineering - Q&A Archive
    Guys I am at a loss here. I have just put the 2cnd fuel pump in my jeep. 8 months it ago it wouldn’t run. The mechanic they have at the bodyshop I work at beat on the fuel tank with a hammer while I turned it over and walla it cranked up. Causing me to think I had a bad pump. Installed new pump...
  9. XJ Cherokee Technical Forum
    It's my first time on the forum so I apologize if I'm being to vague. I have a 1987 Jeep Cherokee XJ, a couple nights ago I was driving down the road and I smelt something foul coming from my vents, almost like a burnt smell but not a burnt smell I could recognize. I thought it was strange but...
  10. Jeep CJ Forum
    Greetings, Jeep friends! I'm having an issue that has been briefed by others in past posts, but I haven't found a solution that works for me. Here are the details: - Recently bought 1986 CJ7 with 114k miles. - It ran fine, but there was a massive oil leak at the point where the fuel pump...
  11. WK Grand Cherokee & XK Commander Forum
    Hi guys! First off I want to say thanks for all the useful information I found on this forum! I'm making this post in hopes to save someone else some headache if they encounter a similar problem. (Cole's notes at the end) This issue started about 6 weeks ago where my 2008 WK Grand Cherokee CRD...
  12. WK Grand Cherokee & XK Commander Forum
    My Jeep was running great. I changed the oil and it started fine. I changed the fuel filter as I have done many times and now Jeep won't start. The electric fuel pump isn't working. I turn the key and I don't hear it. I disconnected the fuel lines in and out the of fuel filter and no fuel flows...
  13. Engines & Drivetrain
    for the past week i have had the issue were the jeep is wanting to stall as your driving i have a 97 jeep Cherokee country 4L i6 with a automatic trans and what will happen is that while your driving the car would start hesitating and sputtering and at the same time the rpms would go down to...
  14. XJ Cherokee Technical Forum
    Hi there, I'm new, but my jeep isn't. I have an 89 Cherokee 4.0, 4x4 and an AW4 trans. A couple of weeks ago I was hitting some trails with my buddy and I had this weird issue where the jeep would just shut off intermittently and I would have to turn it back on to continue moving or try to make...
  15. New Members/Introductions
    Hello, I've grown up working on stuff, but am getting over my head on this project. I have a 78 CJ5 with at 304. Bought it used a few years ago. It ran fine until recently, and I've noticed the following issues. After I let it sit for 4-5 days, it won't turn over when I crank. Seems like...
  16. MJ Comanche Technical Forum
    I run a 1986 Jeep Comanche 2.5l and my fuel delivery is messed up it seems. I have bench tested the pump, which starts up immediately, checked the filter to make sure it wasn't clogged, and the only thing I seem to have an issue with is the relay itself. Here's the issue: I have to use a...
  17. TJ Wrangler Technical Forum
    2005 Jeep TJ X 4.0 My Jeep is my daily driver and last week when I went to leave work my Jeep would not start. We were able to narrow the problem down in the parking garage to the fuel pump. Had to loosen the fuel rail as the 05 does not have a schrader valve. We were able to get the jeep to...
  18. WK Grand Cherokee & XK Commander Forum
    Hello, im new to the forum but i was really hoping to get some insight on a problem that i have been having. Over the last few months my 2005 Jeep Grand Cherokee 5.7 Hemi with 190,000 miles has been occasionally taking a bit of time for me to crank over the engine 5(sec). So i went ahead and...
  19. Audio, CB & Ham Radios, GPS, & Electrical
    1990 Wrangler YJ 2.4L Fuel pump not getting any power. Fuel pump tested good, relay tested good. Is there a hidden fuseable link that powers this relay? Can't seem to locate where the power source originates on this. Was able to rig a temporary bypass to get it home. Any help would...
  20. XJ Cherokee Technical Forum
    My 2000 Cherokee has a problem where fuse 22 in the power distribution center (pdc) is blowing right when it is inserted, even without the ignition on. I have stopped the fuse from blowing by unplugging one of the connectors on the power train control module. I have also unplugged the fuel pump...
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