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Home >> Saab >> 2001 >> 9-5 Base, 4D Sedan, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Fault Code Diagnosis >> P0300: Random Misfire Detected >> Enable Criteria

Enable Criteria

General conditions for this trouble code: Atmospheric pressure must exceed 72 kPa and the engine coolant and intake air temperatures must exceed -7°C.

Engine running. Main relay voltage exceeding 10 volts. Ignition discharge module combustion signals registering. The number of missing combustion signals is accumulated for each cylinder every 1000 engine revolutions. The total number of accepted misfires during 1000 engine revolutions is specified in a load and engine speed-dependent matrix.

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