G
Guest
·It was running fine until I put 9 gallons of gas in it. Mech from Chevy dealer say lower intake manifold is bad and needs $1,600 worth of repairs.
Check engine light on with the following codes P0171 & P0300. No other symptoms are apparent.
Vehicle is idiling rough at stop lights. Egine seems fine under load.
Check engine light on with the following codes P0171 & P0300. No other symptoms are apparent.
Vehicle is idiling rough at stop lights. Egine seems fine under load.