Operation CHARM: Car repair manuals for everyone.

Air Flow Meter/Sensor: Service and Repair

*** FOR ADDITIONAL INFORMATION NOT INCLUDED HERE, REFER TO TSB # TEC190394, DATED SEPTEMBER 12, 1994 ***

NOTE: The Mass Air Flow Sensor (MAFS) is not a serviceable item. In the event of failure or damage, the complete unit must be replaced.

Air Mass Sensor:




1. Disconnect the battery negative lead.
2. Release intake hose clamp, disconnect from sensor.
3. Disconnect multi-plug.
4. Release two clips securing air cleaner to air flow sensor, remove sensor from engine compartment.
5. Reverse removal procedure to install. Be sure multi-plug is firmly reconnected, and hose clamp at the rear of sensor is securely tightened, to prevent unmetered air entering engine.