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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="Creston" data-source="post: 443535" data-attributes="member: 22510"><p>Yeah. Most jeep guys use it. I don't personally. I have dedicated scan tools myself since I work on all make. Diagnosing your problem would be a hell of an endeavor im afraid. Actually having the correct live data or getting a freeze frame at the correct time is going to be rough. Somewhere a sensor should drop out or something though. I just dont see how a mechanical issue could go away for one start cycle. </p><p></p><p>I would have thought a dealer would have no issue finding the problem though. The 3.8 and the 4.0 were bare bones simple engines. The 3.6 is a good deal harder to deal with but it's still not a very complicated engine. A far cry from the new V8s with variable valve timing, start/stop and cylinder deactivation or from the newer turbos.</p></blockquote><p></p>
[QUOTE="Creston, post: 443535, member: 22510"] Yeah. Most jeep guys use it. I don't personally. I have dedicated scan tools myself since I work on all make. Diagnosing your problem would be a hell of an endeavor im afraid. Actually having the correct live data or getting a freeze frame at the correct time is going to be rough. Somewhere a sensor should drop out or something though. I just dont see how a mechanical issue could go away for one start cycle. I would have thought a dealer would have no issue finding the problem though. The 3.8 and the 4.0 were bare bones simple engines. The 3.6 is a good deal harder to deal with but it's still not a very complicated engine. A far cry from the new V8s with variable valve timing, start/stop and cylinder deactivation or from the newer turbos. [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
3.6 Pentastar Misfire on Cylinders 1, 3, & 5
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