The engine would stall when the oil filler cap is removed. The drop in vacuum of the manifold due to the cap being opend would cause that.
Do you have coolant losses issues?
Check the coolant level when engine is cold. Top up if necessary. When coolant level is correct, do not run the engine with cap off till coolant heats up as it is going to spill out coolant resulting in air getting into system.
Sunday, July 10th, 2011 AT 8:14 AM