Idle Speed Drops In Drive
FAULT INDICATIONSIdle speed drops noticeably when drive or reverse positions are selected
FAULT TRACING CONDITIONS
Before fault tracing, ensure that:
^ No diagnostic trouble codes are present
^ The engine is at operating temperature, and
^ All fuses are clean and intact
FAULT SOURCES
^ Excessive resistance in connector(s)
^ Faulty gear selector switch
^ Faulty idle air control valve