1997 BMW 540i Repair Question
Topics covered: Air filter, Engine, Engine performance.
Mileage: No information provided.
Mileage: No information provided.
Asked on July 5, 2010
Poor idle, misfire codes detected, can hear l
Engine Performance problem
1997 BMW 540i V8 Two Wheel Drive Automatic 151000 miles
I have this car that has misfire detection in cyl. 8 and I've changed the spark plugs, moved coils around, changed fuel and air filters, moved plugs around, cleaned electronic idler valve. Still getting misfire detection in cyl. 8 after resetting the codes with a OBD reader. Kind of lost here. Any ideas?
1997 BMW 540i V8 Two Wheel Drive Automatic 151000 miles
I have this car that has misfire detection in cyl. 8 and I've changed the spark plugs, moved coils around, changed fuel and air filters, moved plugs around, cleaned electronic idler valve. Still getting misfire detection in cyl. 8 after resetting the codes with a OBD reader. Kind of lost here. Any ideas?
Answer
Replied on July 6, 2010
The PCV plate or intake manifold gasket may be compromised.