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1-20 of 22 Results
  1. WJ Grand Cherokee Forum
    Hey y’all First post & I’m need of some advice. The problem Got a 04’ 4.0l Cherokee hard start, have to crank engine about 5 seconds sometimes starts sometimes it starts and dies if I press the pedal once it fires it usually stays running. Also after a little drive the next start up seems...
  2. YJ Wrangler Technical Forum
    I'm looking to purchase a fuel pressure regulator for my 4.2 with a Nutter Bypass and a carb without the motorized stepper crap on the back of it. I see Holley makes one but it has dual outlets and only goes as low as 4.5lbs. Carter makes one that just uses a chrome dial. It seems a bit...
  3. YJ Wrangler Technical Forum
    I have a 92 yj with a 318 swapped in. It runs great EXCEPT that it dies on idle occasionally when braking, cornering, or just coasting. I THINK it is a fuel delivery issue. I replaced the stock fuel pump with an external high-flow Walbro pump (although I might not have needed to do that). The...
  4. TJ Wrangler Technical Forum
    I'm currently replacing my fuel pressure regulator replacement. I already dropped the gas tank and popped it off, but now I don't understand how this hose comes off and onto the new fuel pressure regulator. I've watched multiple videos on replacing it and nobody else even has this hose. How does...
  5. Jeep CJ Forum
    My '83 CJ7 came to me minus the carbon vapor canister and a blocked off fuel return line. I found a working carbon vapor canister and ran new fuel return line and a tank purge line once I found the originals plugged up. At the same time, I'm installing a Weber 38 DGES to replace a knock off...
  6. XJ Cherokee Technical Forum
    So I've had concerns with my fuel system almost since I've bought it and I think it may have been for good reason. First off my Jeep has never not cranked and I'm sorry if this is a long post. With that said let me explain. My jeep will start up almost beautifully on a cold crank however if I...
  7. XJ Cherokee Technical Forum
    New fuel pump?? HELP Hey guys I am new to this forum but have been lurking for quite some time. Well heres the deal, I have a 1997 Cherokee with the 4.0 I6 engine that has about 115k miles on it. About 8 months ago my jeep began to hard start and take 6 or 7 seconds to crank up. I would prime...
  8. YJ Wrangler Technical Forum
    Greetings everyone, This is my first jeep and kind of a mess so forgive any ignorance on my part. I just picked up a beat 95 yj 2.5L and need a diagram or picture of the throttle body connections, mainly where a couple of the vacuum hoses go. I have been finding more and more vacuum hoses that...
  9. TJ Wrangler Technical Forum
    The new 5.7 Vortec V8 now starts for about a second and then immediately dies and it will do this over and over again. I'm almost certain its not getting enough fuel. although the pump on a Jeep is capable of about 90 psi it is regulated to 49 PSI back at the in tank regulator. I have to figure...
  10. YJ Wrangler Technical Forum
    Jeep failed smog, because it was running too lean. Tested the fuel pressure and it's down at 22 psi. With the regulator disconnected, it jumps to 31 psi and the vacuum line leading to it is free of fuel and dry. When revving the engine, the psi jumps from 22 to about 27psi. Fuel filter is brand...
  11. Jeep CJ Forum
    Ok guys after doing a lot of research and reading tons of thread reading here I ordered the weber 38 (Spain), Holley 12 804 fpr, and a pressure gauge. Got home from running some errands and all of my parts where sitting on the porch. I have some questions and could really use the help from...
  12. YJ Wrangler Technical Forum
    I have a weber 32/36 that is showing all the signs of running rich from gas bypassing the needle and seat. I have checked the needle (rubber type) and seat many times and the function appears to be clean and promising, but yet the bowl overfills. I have the return line hooked up on my fuel...
  13. XJ Cherokee Technical Forum
    I've been fighting with this Jeep on and off for over a year now. Bought it for $200 (not running) gave it a tune up and new fuel pump and got a couple thousand miles out of it before it started having problems again. It is a 1995 Cherokee Sport, 2WD, Auto (bought as daily) with only 120k on it...
  14. YJ Wrangler Technical Forum
    ok so i installed a weber 38 onto my stock 4.2 today it starts up runs fine but i have ran into a couple of problems A). The FPR that i installed isnt showing any change in pressure on the gauge no matter how much i turn the nob, any ideas B). also i have like maybe 2 inches of gas pedal...
  15. ZJ Grand Cherokee Forum
    Ok guys, I new to the forums and need some help. I have a 1993 GC with a 4.0 I6 that is very difficult starting. It needs to be cranked several times before starting. When it does start it does not act as if it is flooded, rather starved for fuel. Starting usually occurs after one or two cycles...
  16. TJ Wrangler Technical Forum
    My fuel pump looses its prime after sitting a few hours. I have no pressure at the fuel rail. Will I have to replace the pump or is there a valve that can be replaced instead? I know I will have to drop the tank to fix the pump and I am dreading it. This is on my 97 tj. Is an after market pump ok?
  17. Engines & Drivetrain
    1996 jeep 2.5 cherokee....only one line coming out of the sender, NO regulator on the rail...where is it guys? I dont have the 97 type module pump either...how can I not have a P.R.????
  18. Jeep CJ Forum
    I'm guessing there is a thread about this out there, but I couldn't locate it (I'm a little impatient, especially when I should be working rather than looking at cool Jeeps). Anyway, here's the story: I have a '79 CJ7 that a prior owner dropped a 360 into. It has the hydromatic transmission...
  19. ZJ Grand Cherokee Forum
    1993 JGC 5.2 Liter V8 Limited. Having issue with keeping the fuel pressure up in the fuel rail. Using quick start the engine can be made to run after a quite few tries, runs nice, too, though it won't start-up after sitting over night, but will keep fuel in the rail for only a few hours and...
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