Swerve wrote:Thatll do it, when the EGR valve is stuck open, it will lead to a mad vacuum leak which then causes inefficient combustion, rough idling and even stalling. Mainly because the open EGR valve causes exhaust fumes to flood the combustion chamber and the engine cant combust on the exhaust C02. To check for a stuck open EGR valve, idle the car and check he plunger shaft to see if it is stick open.Â
Only took the service place to the end of the fourth full day of having it to find the cause
. I'm glad I got it back though, would have been a real hassle going away for Christmas without a vehicle.
.