Operation Section
-102-
Problem Probable Cause Corrective Action
Rough Idle (Gas)
Incorrect Idle speed control See Advanced Diagnostics & Engine
Service Manual
Incorrect timing or spark control
Engine Mechanical See Engine Service Manual
High Idle Speed
(Gas)
Incorrect Idle speed control See Advanced Diagnostics & Engine
Service Manual
Throttle sticking
Foot pedal sticking or incorrect
pedal signal
Check pedal return spring travel for binding
See Advanced Diagnostics