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P0301 Diagnostic Trouble Code Discussion for November 2014

Cylinder 1 Misfire Detected


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Trouble Ticket Help Requests for DTC P0301
Help Request Posted
2002 Volkswagen Passat GLS 1.8L Misfire VIN: WVWPD63B82
P0301: misfire cylinder 1. This volkswagen (Peoples car) misfire's cold when the air pump is on. when air pump goes off, misfire goes away and don't come back, if the pump comes back on the missfire comesback like clockwork. so it is related to the air pump somehow. no other codes in it...
November 12, 2014
2004 Kia Rio 1.6L Hesitation, Cuts out, MIL Lamp on VIN: KNADC12564
P0301: Cylinder 1 Misfire Detected. Car came in running rough, had misfire codes and P1166 code. Engine act like its choking out when revving (like an air flow meter acts )but after the rpm's start to go up if revs fine. Spark plug wires were chewed by some rodent but done see any other wires ch...
November 24, 2014