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P0303 Diagnostic Trouble Code Discussion for July 2013

Cylinder 3 Misfire Detected

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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
2001 Mercedes-Benz S500 Guard 5.0L Misfire, MIL Lamp on VIN: WDBNG75J91
P0303: Cylinder 3 misfire. I have this Benz here that randomly will start misfiring. Have retrieved this same cylinder misfire code at 2 different times. One time another tech was driving the car and it did start misfirig cycled the key off and restarted then was all fine. Customer has ...
July 22, 2013
2002 Subaru Impreza WRX 2.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: JF1GG29662
P0303: Cylinder 3 Misfire Detected. ... Colorado complaint id idle is rough, check engine light flashes. pulled code p0303. got to looking around and ended up swapping coils and plugs, didn't help. miss will go away when revved up to 2 grand. fuel trim short term at idle is at about 16% and when...
July 23, 2013