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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) 13A-329 DESCRIPTIONS OF MONITOR METHODS switched to 5 volts intentionally when oxygen . MONITOR EXECUTION . MONITOR EXECUTION CONDITIONS (Other Other Monitor (There is no temporary DTC stored in memory for the item monitored below) • Heated oxygen sensor heater (front) monitor • Heated oxygen sensor heater (rear) monitor • Air/fuel ratio feedback monitor Sensor (The sensor below is determined to be normal) • Volume airflow sensor • Engine coolant temperature sensor • Intake air temperature sensor • Barometric pressure sensor . |