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Unread 07-11-2013, 09:12 AM   #1
alwayzrunnin53
Registered User
2001 WJ 
 
Join Date: Dec 2011
Location: richmond, virginina
Posts: 3
Jeep Error Code - 3 cyclinder misfiring question

Hey guys well I bought a 2001 Jeep cherokee sport with 129k miles on it a couple weeks. Well low and behold it drives fine when I bought it. No leaks, ticks or anything except the typical lower oil pressure but I had two mechanics look at it at a dealership and at a local shop and both say it is fine and good to go and dropping headliner that I took out redid it myself. The last week it has been 100+ degree everyday and I notice my car starting to have rough idle and the engine light came on. Well I looked up the ignition wire heat shield and the debris manifold cover from the recall and TBS reports that could cause that issue. So I ordered them today and the dealership will put on next week on Monday. I am hoping that will solve the issue as I feel it is a heat soaking issue. I am also going to take it to the local mechanic and get a quick tune up just for smoother idle and get the injectors cleaned. I am also putting a die hard battery in it but do you think I should just the gold level, advanced gold, or platinum level? Do you all think this should solve the problem with the misfiring issue?

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Unread 07-11-2013, 09:18 AM   #2
RickAdair
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2000 TJ Wrangler 
 
Join Date: Aug 2011
Location: Red Lion, PA
Posts: 120
That sounds like classic signs of heat soak. I had the same issue with mine this summer. Installed the insulation around the number 3 injector and haven't had an issue since.
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