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)

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Air Temperature Sensor ( Ambient / Intake ): Service and Repair



Intake Manifold Sensor (688)

To remove
1. Unplug the sensor connector.





2. Remove the sensor.

To fit
1. Fit the sensor with a new O-ring sparingly lubricated with Vaseline.





2. Plug in the connector.