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Home >> Scion >> 2008 >> xD Standard >> Repair and Diagnosis >> Engine Performance >> 2ZR-FE Engine Control System >> SFI System >> DTC P0300 Random / Multiple Cylinder Misfire Detected; DTC P0301 Cylinder 1 Misfire Detected; DTC P0302 Cylinder 2 Misfire Detected; DTC P0303 Cylinder 3 Misfire Detected; DTC P0304 Cylinder 4 Misfire Detected >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

Monitor period of emission-related-misfire: 

TYPICAL MALFUNCTION THRESHOLDS

Misfire rate 2.04% or more

Monitor period of catalyst-damaged-misfire (MIL blinks): 

TYPICAL MALFUNCTION THRESHOLDS

Number of misfire per 200 revolutions 124 or more (varies with intake air amount per RPM)
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