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 logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Without Speed Density



Mass Air Flow (MAF) / Manifold Air Temperature (MAT) Sensor:





REMOVE
1. Electrical connector
2. Clamps
3. Mass Air Flow (MAF) Sensor

INSTALL
1. Mass Air Flow (MAF) Sensor
2. Clamps
3. Electrical connector

IDLE LEARN PROCEDURE
1. Install Tech 1 "Scan" tool.
2. Ignition "ON," engine "OFF."
3. Select "Idle Air Control (IAC) SYSTEM," then "IDLE LEARN" in the "MISC TEST" mode.
4. Proceed with idle learn as directed.

NOTE: This procedure allows the Electronic Control Module (ECM) memory to be updated with the correct IAC valve pintle position for the vehicle and provides for a stable idle speed.