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Highway sputter

   
Old 01-04-2013, 11:18 PM
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Default Highway sputter
Jeep runs great in town but when on the highway right around 55-60 mph I will get a small sputter every now and then, dosent do it all the time, sometimes you have to watch the tachometer to to know its doing it at all and other times its very noticeable...any ideas?...jeep is a 92 xj 4.0 auto trans
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Old 01-04-2013, 11:26 PM
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jeep is a 92 xj 4.0 auto tranny
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Old 01-04-2013, 11:26 PM
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Could be a sensor needs adjusting/cleaning/replacing. Might be o2 related. But either way its probably a fuel delivery issue caused by bad sensor, so a code reader first, but maybe new TPS, IAC valve or o2 sensor. Good luck.
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Old 01-04-2013, 11:56 PM
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cool thanks for the reply it gives me a starting point...
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Old 01-05-2013, 12:21 AM
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Originally Posted by AzPacknHorns
cool thanks for the reply it gives me a starting point...
No prob. As you are pre OBD scratch getting a code reader plugged in.. Check your fuel filter, but I'd def start with a good tune up from battery leads/grounds to cleaning the TB and sensors you can.
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Old 01-05-2013, 12:22 AM
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While you're cleaning the throttle body to get at the IAC and TPS (don't forget to test the TPS with a multimeter, preferably analog) check the vacuum tube that runs to your MAP, located on the firewall.
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Old 01-05-2013, 06:25 AM
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Originally Posted by VTJeep
No prob. As you are pre OBD scratch getting a code reader plugged in.. Check your fuel filter, but I'd def start with a good tune up from battery leads/grounds to cleaning the TB and sensors you can.

92 should be OBD-1.
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Old 01-05-2013, 09:20 AM
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Thanks guys I appriciate it...
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Old 01-05-2013, 06:51 PM
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Originally Posted by cruiser54

92 should be OBD-1.
Oops.. Good call, man.
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Old 01-05-2013, 06:56 PM
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Originally Posted by VTJeep
Oops.. Good call, man.
I wasn't 100% sure. But I do know that my Renixes are OBD-0. LOL.
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