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Old 05-13-2013, 09:18 PM   #1
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Check this out!!

Friend of mine plugged in his diagnostic to my jeep and it said it was lean,rich,and the battery is overheating. Any thoughts on what the hell this means would greatly be appreciated. To my knowledge an engine cant run lean and rich at the same time. Its a 4.2 high output from a 96 cherokee.
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Old 05-14-2013, 05:29 AM   #2
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You should check your exhaust and intake gaskets for leaks... and make sure everything is tightened to spec... Then make sure that your cat and exhaust system are flowing properly and not getting clogged up. When codes like that pop up those things are typically the problem areas...
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