Incorrect Idle Speed

SYMPTOM DESCRIPTION:

The engine runs unevenly at idle. If bad enough, the vehicle may shake. Also, the idle may vary in rpm (called "hunting"). Either condition may be severe enough to cause stalling. Engine idles at incorrect speed.






Low idle speed out of - Adjust low idle speed.
adjustment







Injection pump malfunction - If injection pump is malfunctioning
or will not adjust properly, replace as
a unit.