Fault-Tracing Information

Checking Throttle Position And Idle Air Control Valve

Trouble Code Condition(s)
- Diagnostic trouble codes (DTCs) absent
- Engine is hot
- Fault is permanent.

Possible Source(s)
- Throttle body (TB) incorrectly adjusted
- Defective idle air control (IAC) valve.

^ To start fault-tracing proceed to Checking Throttle Position and Idle Air Control Valve section.