I have a 1991 318is with the M42 engine. Cold start and idle have no problems after I fixed the vacuum leak and cleaned out the ICV.
My issue is my engine would struggle to stay idle after I restart it after driving. It would fire up normally, and RPM would begin to drop and stay struggling to stay idle for about 30 seconds before going back to normal.
I've asked my mechanic friend but he doesn't know what the issue is, and now every time I warm start it I have to let it run for a couple minutes before I start driving or else it'd stall out.
any ideas?
*this issue only happens when the engine is warm. at cold start i can just hop in, start the car, and go.
My issue is my engine would struggle to stay idle after I restart it after driving. It would fire up normally, and RPM would begin to drop and stay struggling to stay idle for about 30 seconds before going back to normal.
I've asked my mechanic friend but he doesn't know what the issue is, and now every time I warm start it I have to let it run for a couple minutes before I start driving or else it'd stall out.
any ideas?
*this issue only happens when the engine is warm. at cold start i can just hop in, start the car, and go.
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