THE GREATEST GUIDE TO MK7 GTI TUNE

Hoses support to circulate coolant with the engine and radiator. Swelling, leaking, or bulging hoses are a sign they need to be replaced instantly.As a consequence of subtle electronic ignition, spark plugs with lifetimes that exceed 100,000 miles, and onboard diagnostics, the normal tune-up for engine timing and plugs is usually a point of the pas