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Old 02-12-2013, 02:41 PM   #5
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Join Date: Feb 2013
Location: El cerrito, California
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Re: Need Some Advice on Jeeps

Hi i'm new on this forum I have problem with a 2002 jeep grand cherokee and at first po 304 codes which was b1 s2 O2 sensor I replace both and that bank but after I replace it the code po138 came up and as well p1294 and RPM start working wrong so I replace the iac valve and code po505 came up and since I rwplace that valve RPM been very unstable some days normal and now I little above normal about 1200 RPM
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