I have a 2006 4.0 coupe. Yesterday I started the car, everything was fine. I turned on the a/c immediately and drove away. A few minutes later the engine began surging. The tach was bouncing between 2k and 0 rapidly. When I stopped the car the engine died. The engine restarted immediately. I tapped the accelerator the engine was fine. The engine ran fine the rest of the time. This is the only time this condition has ocured.

I have a 2006, 4.0L coupe. Yesterday the engine started normally, I...

Engine surging