RUNS ON AFTER SWITCH OFF

1996 BMW 840

Tiny

cjmadden

June, 1, 2009 AT 11:01 AM

Engine Performance problem
1996 BMW 840 V8 Two Wheel Drive Automatic 65000 miles

I have a slight problem with the engine running on very briefly after switch off, maybe for 1 or 2 seconds. I have just replaced the ECU with a used guaranteed unit but the problem is still there. The car drives superbly, is rapid on acceleration and does not miss a beat. The temperature guage is at 12 o'clock once the engine warms up. The car has full main dealer sevice history. The diagnostic shows no fault codes! Any idea what the problem might be?

FOUND 2271 RELATED QUESTIONS

Temp Gauge

23 ANSWERS
3 IMAGES

1 Answer

Tiny

Dr. Hagerty

June, 1, 2009 AT 12:26 PM

It is possible that the main relay is taking it's time to drop out and it might need replacement.

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