egr= exhaust gas recirculation.. esentialy its suppose to open up at high way speeds to theoretically trick the engine in to running like a smaller engine to save on gas.. with it plugged you mite lose a mile or 2 per a gallon.
This ad is not displayed to registered and logged-in members. Register your free account today and become a member on Dodge Forums!
Sponsored Links
Registered users do not see this ad. Click here to register for free!