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Old 06-08-2009, 09:06 PM   #1
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Newbie question

Hello all, Newb here. I've been reading through your forum and there is alot of great info. here, obviously you all know your stuff. I've got a question that maybe you could help me with. I've got a 87' Wrangler 4 banger with a throt. body. Bought it off an older fella in N. Fl with low miles and well taken care of. I use it for running around town and in the woods for hunting. It's been a great runner until lately. This winter it started getting a little rough starting and would take a little pedal playing to get it to settle in to a good idle. I'd let it warm up for a few then go on and it would run fine for the most part. Once on the highway it would (occasionally) feel like it would lose power momentarily at around 2500-3000 rpm. But Lately it's gotten worse and after Friday it's gotten to where she's parked until I can figure it out. I wasn't sure I'd get her home. It's still hard to get her to a good idle, worse than ever but now once I get going it wants to fumble out when I let out the clutch and if I try to give it any gas it feels like it has no power until I let off the throttle a little bit then it'll power up. The idle gets real variable when I'm waiting at a light too. I've talked to some friends of mine that have varying ideas. One thinks the throttle body is gooberd' up, one thinks it's a vacuum issue and the other thinks it's possibly a clogged catalytic converter. It does feel like a fuel issue to me so I'm going to put another fuel filter on it even though I put one on this winter when it was acting up, didn't help anything. I've messed around a bit with the vac. lines but mostly just around the TB, intake manifold and air box. None of that seemed to do anything. I'm fairly mechanical but have never worked on Jeeps so any help or advice would be greatly appreciated. Thanks

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Old 06-09-2009, 07:37 AM   #2
that's what she said

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Old 06-09-2009, 04:53 PM   #3
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youve checked vacuum lines, replaced fuel filter, hows the plugs wires cap and rotor? Since you say momentary powerloss ide be more inclined to think electrical. first check battery cables, check body and engine grounds. after that ide look at throttle position switch. hope this helps point you in the right direction.
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