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P0303 Diagnostic Trouble Code Discussion for June 2024

Cylinder 3 Misfire Detected

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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
2008 Saturn Sky Red Line 2.0L Misfire, MIL Lamp on VIN: 1G8MG35X18
P0303: Cylinder 3 misfire. The check engine light will flash most of the time. Most of the time you cannot feel a misfire. I got another customer's vehicle that was exactly the same year and engine to compare information. The cam and crank signals are identical. The only thing diffe...
June 20, 2024