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Old January 29th, 2013, 12:05 PM   #7
98ZJ318
RIP 2-15 12:20 AM
 
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Join Date: 06-05-08
Location: Kalamazoo/other
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Quote:
Originally Posted by BOGDOG View Post
You said it goes away after it warms up. I'd check out the insufficient coolant temp. Is the thermostat working properly? radiator full of coolant?
Yes i believe the thermostat is working properly and the radiator is full of coolant.


Quote:
Originally Posted by huntertim214 View Post
had a similar issue with my 94 YJ... when I first started it and gave it gas it would pop and lunge and then finally "work through it" and get up to speed. didn't do it after warming up. I replaced a number of parts chasing it, including cat and exhaust, fuel filter, TPS, etc. but it turned out to be a cheap O2sensor and 15 minutes of labor.
Thinking it might be both, the tps and 02 sensors. i'll prob end up replacing both.
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