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Jeep Wrangler JK
JK General Discussion
3.6 Pentastar Misfire on Cylinders 1, 3, & 5
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<blockquote data-quote="1Graeman" data-source="post: 455571" data-attributes="member: 24579"><p>Does everyone who is having these misfire codes all have a brittle wiring harness? Do we all have the PCM going bad on them? I would think that replacing working parts that are not throwing codes are an issue or would I be wrong in saying that if we have a P0300 code not other codes will appear? My next step is to remove the intake, inspect for mis alignment and bad intake gaskets and then re-install it to take out the air leak question. After this I will dive into the brittle wiring loom. I would like to run all new wires from the 1,3,5 injectors to the harness with both positive and ground wires to see if that makes a difference.</p></blockquote><p></p>
[QUOTE="1Graeman, post: 455571, member: 24579"] Does everyone who is having these misfire codes all have a brittle wiring harness? Do we all have the PCM going bad on them? I would think that replacing working parts that are not throwing codes are an issue or would I be wrong in saying that if we have a P0300 code not other codes will appear? My next step is to remove the intake, inspect for mis alignment and bad intake gaskets and then re-install it to take out the air leak question. After this I will dive into the brittle wiring loom. I would like to run all new wires from the 1,3,5 injectors to the harness with both positive and ground wires to see if that makes a difference. [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
3.6 Pentastar Misfire on Cylinders 1, 3, & 5
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