POOR IDLE CHECK ENGINE LIGHT ON WHEN IDLEING

1990 BMW 535

Tiny

angus714

July, 8, 2008 AT 1:01 PM

Engine Performance problem
1990 BMW 535 6 cyl Two Wheel Drive Automatic 168000 miles

This is an addition to me previous question.
Could it be the 02 sensor The spark plugs are clean

FOUND 16892 RELATED QUESTIONS

1 Answer

Tiny

Dr. Hagerty

July, 8, 2008 AT 4:19 PM

The M-30 motor is somewhat sensitive to plug gap, valve lash, and throttle plate adjustment. When was the last inspection performed?

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