Fast Idle Out of Specification When Cold

Check in Order Listed

1. Idle Air Control Valve (IAC) (code 14)
2. Other Idle Controls
a. Fast Idle Thermo Valve
b. Idle Adjusting Screw
3. Engine Coolant Temperature (ECT) Sensor (code 6)
4. ENGINE CONTROL MODULE (ECM) (BU) [1]

[1] With the Service Check Connector jumped and the engine is running, if the MALFUNCTION INDICATOR LAMP is ON with no "blinks", the back-up system is in operation.

NOTE: On Canadian models the MALFUNCTION INDICATOR WARNING LAMP is the CHECK ENGINE LAMP.