Operation CHARM: Car repair manuals for everyone.

Fast Idle Out of Specification When Cold

Check:

1. Carburetor
a. Automatic Choke/Fast Idle System
2. Coolant Temperature (TW) Sensor (6)
3. Feedback Control
4. Exhaust Gas Recirculation
5. Throttle Control
6. PGM-CARB Control Unit (BU)

NOTE:
After each symptom, the system that could be the source of the symptom are listed and should be checked in the order they are listed, beginning with #1.

(BU) code used when the CHECK ENGINE warning light is on, and the self-diagnosis indicator LED is ON with no "blinks", the back-up system is in operation.

Self-diagnosis indicator, (LED) blinks (?), will follow associated systems.