|
|
Content .. 1130 1131 1132 1133 ..
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.8L ENGINE> 13B-221 CIRCUIT OPERATION • A voltage corresponding to the oxygen concen- tration in the exhaust gas is sent to the PCM (ter- • Terminal No. 2 of the right bank heated oxygen sensor (front) is grounded with PCM (terminal . TECHNICAL DESCRIPTION • The right bank heated oxygen sensor (front) detects the concentration of oxygen in the • When the right bank heated oxygen sensor (front) begins to deteriorate, the heated oxygen • The PCM forcibly varies the air/fuel mixture to make it leaner and richer, and checks the . DESCRIPTIONS OF MONITOR METHODS switching frequency is under specified value. . 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 • Misfire monitor • Fuel system monitor Sensor (The sensor below is determined to be normal) • Mass airflow sensor • Engine coolant temperature sensor • Intake air temperature sensor • Barometric pressure sensor • Throttle position sensor • Accelerator pedal position sensor . |