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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-521 STEP 10. Test the OBD-II drive cycle. (1) Carry out a test drive with the drive cycle pattern. Refer to Diagnostic Function − OBD-II Drive Cycle − Procedure 6 − Other Monitor (2) Check the diagnostic trouble code (DTC). YES : Retry the troubleshooting. DTC P0301: Cylinder 1 Misfire Detected CAUTION If DTC P0301 has been set, TCL related DTC . TECHNICAL DESCRIPTION • If a misfire occurs while the engine is running, the engine speed changes for an instant. • The PCM checks for such changes in engine speed. . DESCRIPTIONS OF MONITOR METHODS detect malfunction when negative variation of the . MONITOR EXECUTION . MONITOR EXECUTION CONDITIONS (Other Other Monitor (There is no temporary DTC stored in memory for the item monitored below) • Not applicable Sensor (The sensor below is determined to be normal) • Camshaft position sensor • Mass airflow sensor • Engine coolant temperature sensor • Intake air temperature sensor • Barometric pressure sensor • Throttle position sensor . |