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Recent content by BigRen90

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    1990 RENIX misfire backfire on acceleration

    I'll definitely try unbolting the cat and see how it goes, I should probably go out there now and soak the bolts with some pb blaster. I can't order any parts until Friday so I'll toss the old pump back in for now
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    1990 RENIX misfire backfire on acceleration

    Ok thanks for your info I'm changing that sucker out
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    1990 RENIX misfire backfire on acceleration

    Did that cause your jeep to have sputtering or backfiring issues
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    1990 RENIX misfire backfire on acceleration

    Wiggles not boggles
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    1990 RENIX misfire backfire on acceleration

    I forgot my fuel sending unit is broken at the metal tube on the top we're there fuel comes out of the tank, the weld is broken at the flat round part and the pump basically boggles around in my tank, I'm not sure if fixing this will fix my problem but it is letting air in and possible moisture...
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    1990 RENIX misfire backfire on acceleration

    Ok so I pulled the fuel pump the rubber line was still holding although it was a little mushy, I'm gonna replace it the line anyways tomorrow, and there was no sock on the fuel pump either. I don't think the pump is the problem... When I adjust my TPS I have to adjust it all the way out to its...
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    1990 RENIX misfire backfire on acceleration

    I was definitely thinking the line in the fuel pump was rotted, I'm pulling that thing tomorrow and checking it. I've also thought about indexing the distributor or replacing it all together, but I'm gonna check the fuel line in the pump first and go from there. I'm doin the ball joints...
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    1990 RENIX misfire backfire on acceleration

    It's an automatic by the way
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    1990 RENIX misfire backfire on acceleration

    I can get it to misfire and backfire while it's parked it does it in the same spot it seems like maybe 25% throttle, and it'll sound like a machine gun out the tailpipe. This is crazy it runs super smooth unless I get on the throttle wtf?? Check valve in fuel tank? Can that cause it to...
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    1990 RENIX misfire backfire on acceleration

    Also leaned grounds and upgraded thicker wires, dipstick, rear of the head and the one off the battery to the front support
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    1990 RENIX misfire backfire on acceleration

    I forgot I also replaced the ignition coil also Could air in the cooling system on a renix make it run like this?
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    1990 RENIX misfire backfire on acceleration

    Ok I have a 1990 jeep cherokee with the 4.0, idles ok it has a little bit of fluctuation but not bad when I try to accelerate it'll go fine until about 10mph and then you can feel it bog down and loose power it misfires and backfires out the exhaust, and the only way to really go smoothly is if...
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    1990 RENIX misfire backfire on acceleration

    Ok I have a 1990 jeep cherokee with the 4.0, idles ok it has a little bit of fluctuation but not bad when I try to accelerate it'll go fine until about 10mph and then you can feel it bog down and loose power it misfires and backfires out the exhaust, and the only way to really go smoothly is if...
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