Audi Q7: Battery, Starter, Generator, Cruise Control

 Knock Sensor 1 - G61-, Checking

General Description The Knock Sensor 1 -G61- is a tuned accelerometer on the engine which converts engine vibration to an electrical signal. The Engine Control Module -J623- uses this signal to determine the presence of engine knock and to retard spark timing, if necessary. Special tools and wor

 General Information, Safety Precautions

General Information Suspension   Note The specified values apply to all engine versions. Front/rear track width only applies to 255/65R18 tires on 8Jx18 rims. Track widths change when using different wheel/tire combinations. The specified size applies to equipment levels with air suspen