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P3000 Diagnostic Trouble Code Discussion for October 2008

HV Battery Malfunction

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Trouble Ticket Help Requests for DTC P3000
Help Request Posted
2004 GMC Savana 2500 4.8L Misfire VIN: 1GTGG25V54
P3000: Random intermittent missfire. Hi guys, hope someone has seen something similar to this. Van came in 6 mo. ago with bad misfire on #6 and other 3 midle plugs both sides. Performed injector drop test and looked ok. Ran through motorvac twice and misfires quit. Still had idle rougher than i w...
October 28, 2008