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Old January 29th, 2013, 11:20 AM   #6
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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.
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