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Thread: Idles fine, hesitates when accelerating

  1. #1
    and then.... bigdog's Avatar
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    Default Idles fine, hesitates when accelerating

    My 98 2.5 Tj started to hesitate today then I would push on the gas and it would lose power quick so i pulled over to the side of the road, put it in neutral and revved it a couple times and it revved just fine. I put it back in gear and when it got up around 2000 rpm it started to stutter and lose power again. To make it up the slightest hill i would have to pull of the side of the road, push in the clutch and rev it a couple of times then idle up the hill. I got it home but have no clue what is going on. A couple of days ago I felt a slight hesitation here and there and now its full time. It idles and revs just fine when in neutral. Please Help!
    .............................

  2. #2
    Junior Member Kevo's Avatar
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    Default

    Well my initial thought is fuel supply. I would check fuel filter. Wouldn't think a tune up would fix anything, but would consider if it was mine.
    Good luck with it
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  3. #3
    Senior Member HillBillE's Avatar
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    Fuel supply, or a dirty air cleaner.

    I had an open element round filter on my 1 ton GMC, it got dirty from the mud puddles on the logging and dirt roads. I kept losing power, wouldn't climb hills, wouldn't get up over 35-40 MPH.

    I took the aircleaner off, checked the carb, fuel, etc. Took it for a run (without the air cleaner) and it ran great. Put the aircleaner back on, and it ran like crap again.


    The filter didn't even look really bad, but it was enough to starve the engine for air, and make it run like you're describing.


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  4. #4
    Bobble Head Jeeper trailsnail's Avatar
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    What they said. I'd go with the air filter first since it's the easiest to check, and then work from there. Fuel filters are also inexpensive and if that doesn't fix the problem, I'd lean towards the fuel pump.
    Sven
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  5. #5
    Senior Member CutterN55's Avatar
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    maybe you took a bad tank of gas, and boogered up your filter as said above, or fuel pump and even the fuel pick-up sock (if yours is set up that way) could be clogged up.
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  6. #6
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    check plugs if you havent. too much gap will cause that

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