3 weeks ago my van started thumpimg when I accelarate,why could it be? on 2009 Volkswagen Routan

Kinda of like it isn't getting enough gas, but it is.It sort of feel like it shakes a little as it drives

by in Chowchilla, CA on July 10, 2013
1 answer
ANSWER by , July 11, 2013
scan codes for misfires