Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Air Flow Meter/Sensor: Service and Repair

- Interrogate fault memory of DME control unit. Switch off ignition.




- Twist and remove connector (1).




- Unfasten hose clip and remove rubber gaiter (2) from throttle body.




- Loosen clamps (3 and 4).
- Remove air-mass sensor with bellows.




- Remove rubber gaiter from mass air flow sensor.




Installation Note: Only reinstall mass air flow sensor with undamaged lattice frame.

- Interrogate fault memory of DME control unit, check faults in memory, rectify faults and clear fault memory.