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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="Sketchmo" data-source="post: 447224" data-attributes="member: 23279"><p>I forgot to mention I ran a leak-down test and all the cylinders were in specs. 90lbs all cylinders had a 0-2lb drop at most. When I pulled the valve covers the internals were exceptionally clean and with little wear on the cams. I'm still going to check for an electrical short to see if I get somewhere. I test drove the truck yesterday and the miss is getting worse once it warmed up. It might be a PCM issue as well...l hope not. Thanks for your reply!</p></blockquote><p></p>
[QUOTE="Sketchmo, post: 447224, member: 23279"] I forgot to mention I ran a leak-down test and all the cylinders were in specs. 90lbs all cylinders had a 0-2lb drop at most. When I pulled the valve covers the internals were exceptionally clean and with little wear on the cams. I'm still going to check for an electrical short to see if I get somewhere. I test drove the truck yesterday and the miss is getting worse once it warmed up. It might be a PCM issue as well...l hope not. Thanks for your reply! [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
3.6 Pentastar Misfire on Cylinders 1, 3, & 5
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