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 Temperature Sensor ( Ambient / Intake ): Service and Repair

Note: It is recommended that the inlet elbow is allowed to cool before releasing the IATS, to avoid the insert being loosened.


- Disconnect the battery ground cable.

Intake Air Temperature Sensor:





- Disconnect the multi-connector from the IATS.
- Remove the IATS and copper sealing washer from the air intake elbow.
- Be sure sealing washer is located on the replacement IATS.
- Screw the replacement IATS into the air intake elbow.
- Refit the electrical connector to the IATS.
- Reconnect the battery ground cable.