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POS, PITA Jeep XJ Jeep Registry
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Currently dignosing codes 0300, 0303 and 0304. Possible CKP sensor issue.


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Registered User
View JMH21814's Jeep
10-31-2013, 07:25 AM
Don't know if you've filled out your profile or not. Regardless, I'm on my phone, so I can't see it anyway. Give us some info on your jeep (I.e. ymm, engine, 4wd/2wd...) so we can help you.

Registered User
View Acesymmetric's Jeep
11-06-2013, 07:40 PM
99 xj
After troubleshooting everything from injectors to electrical sensors I have narrowed down my issue, with the help of a professional mechanic with an engine analyzer, to a mechanical issue with cylinders 3 and 4. I am now trying to find a good combustion chamber cleaner to see if I have some extra heavy carbon deposits blocking my valves up.

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