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Jeep Wrangler JK
JK General Discussion
Backfire / popping noise when started
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<blockquote data-quote="Jsholmes" data-source="post: 442283" data-attributes="member: 22384"><p>Hello to all,</p><p>On my wife’s 2008 jk 3.8 with 180,000 I had just finished replacement of cracked stock exhaust manifold. Stock was replaced with a set of short headers, while Apart I also changed spark plugs, plug wires (live wires) along with a new Ignition coil( screaming demon) or better know as the Firepower kit from performance distributors. After completion when I started vehicle almost sounded like a backfire shortly after check engine light came on with a code of P0300. </p><p>Plugs were gaped to Performance distributors recommendation of .065</p></blockquote><p></p>
[QUOTE="Jsholmes, post: 442283, member: 22384"] Hello to all, On my wife’s 2008 jk 3.8 with 180,000 I had just finished replacement of cracked stock exhaust manifold. Stock was replaced with a set of short headers, while Apart I also changed spark plugs, plug wires (live wires) along with a new Ignition coil( screaming demon) or better know as the Firepower kit from performance distributors. After completion when I started vehicle almost sounded like a backfire shortly after check engine light came on with a code of P0300. Plugs were gaped to Performance distributors recommendation of .065 [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
Backfire / popping noise when started
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