What makes a Cadillac Seville shake at idle?
What makes a Cadillac Seville shake at idle? Usually occurs during cold engine operation and is often characterized by black smoke from the tail pipe. - Rough Idle - The engine runs unevenly at idle. If bad enough, it may make the car shake. - Tip In Stumble - A delay in engine response when accelerating from idle with car at a standstill. When does the engine quit on a Cadillac Seville? The engine quits at sharp, irregular intervals. May occur repeatedly, or intermittently. Usually worse under heavy acceleration. This condition is defined as a situation where the engine is...