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 ): Description and Operation
The air temperature switch is a bi-metallic sensor used to provide the ECM with inlet air temperature data. When inlet air temperature is below the sensor calibration point, the ECM overrides the ``Check Engine'' light caused by lean
oxygen sensor error.