RPM Too High When Warm

Check:

1. Idle Air Control Valve (IAC) (code 14)
2. Other Idle Controls
a. Fast Idle Valve
b. Idle Adjusting Screw
c. Hoses and Connections
d. P/S Oil Pressure Switch Signal
3. Engine Coolant Temperature (ECT) Sensor (code 6)
4. Air Intake System
a. Throttle Cable
b. Throttle Body
5. PGM-FI Control (ECM) Unit (BU)

(BU) code used when the MALFUNCTION INDICATOR WARNING LAMP is on. Jump the service check connector, if no code is displayed (MALFUNCTION INDICATOR WARNING LAMP stays on steady), the back-up system is in operation.

Self-diagnosis indicator, (MALFUNCTION INDICATOR WARNING LAMP) blinks (?), will follow associated systems.