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Jeep Wrangler JK
JK General Discussion
Advice needed with check engine light
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<blockquote data-quote="JimNH" data-source="post: 435635" data-attributes="member: 18470"><p>OK - update </p><p></p><p>changed the plugs and wires and the drivers side heat shield - been meaning to do that anyway. Also changed the coil pack.</p><p></p><p>you would not believe how ugly the old plugs were - should post a pic. Cant believe it was running as well as it has been with those completely rusty, worn, clapped out plugs. Had they EVER been changed? Wow!</p><p></p><p>But, still running rough and stumbling, still have check engine light.</p><p></p><p>found my ODB2 scanner and used JSCAN - here are the codes now.</p><p></p><p>P0300 multiple cyl misfire detected</p><p></p><p>P0202 injector circuit malfunction - cylinder 2</p><p></p><p>P0302 cylinder 2 misfire detected</p><p></p><p>So - seems like a fuel injector problem on cylinder 2. Now to go read about how I fix that. Hope it's easy.</p><p></p><p>JIM in NH</p></blockquote><p></p>
[QUOTE="JimNH, post: 435635, member: 18470"] OK - update changed the plugs and wires and the drivers side heat shield - been meaning to do that anyway. Also changed the coil pack. you would not believe how ugly the old plugs were - should post a pic. Cant believe it was running as well as it has been with those completely rusty, worn, clapped out plugs. Had they EVER been changed? Wow! But, still running rough and stumbling, still have check engine light. found my ODB2 scanner and used JSCAN - here are the codes now. P0300 multiple cyl misfire detected P0202 injector circuit malfunction - cylinder 2 P0302 cylinder 2 misfire detected So - seems like a fuel injector problem on cylinder 2. Now to go read about how I fix that. Hope it's easy. JIM in NH [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
Advice needed with check engine light
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