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Jeep Wrangler JK
JK General Discussion
Backfire / popping noise when started
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<blockquote data-quote="BLACKJKU" data-source="post: 442305" data-attributes="member: 18221"><p>The o2 sensors will have there own code and it will tell you which one of the 4 is bad. I have long tube headers on mine and the only thing that had anything to do with them was the high flow cats. I kept getting codes for the down stream o2's so I had to put foolers on them.</p></blockquote><p></p>
[QUOTE="BLACKJKU, post: 442305, member: 18221"] The o2 sensors will have there own code and it will tell you which one of the 4 is bad. I have long tube headers on mine and the only thing that had anything to do with them was the high flow cats. I kept getting codes for the down stream o2's so I had to put foolers on them. [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
Backfire / popping noise when started
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