I get the codes on my caravan are PO300,PO304,PO306
Sep 16, 2009 at 11:16 PM
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JDL
CERTIFIED EXPERT
16,098 POSTS
Welcome to the forum. P0300 is a random misfire code, could be fuel spark--vacuum leak, almost anything. P0304 is cylinder 4 misfire. p0306 is cylinder 6 misfire. If it's been a while since a regulator tune-up, I go with that, to start.