Engine Idles Too Fast

Check the following:

1. Accelerator pedal binding. Accelerator Pedal

2. Throttle valve or cable binding.
Throttle Body
Also Throttle Cable/Linkage

3. Coolant temperature sensor and wiring [1]

4. Idle air stabilizer valve faulty [1]

[1] For testing procedure, Computers and Control Systems

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