Audi Q7: Interior Lights, Switches

 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

 Specifications for Retrofitting Wheel and Tire Combinations (Documents)

Legal Requirements The manufacturer is granted general type approval for the whole vehicle including all parts and for specific retrofitting (general type approval according to 20 StVZO (Motor Vehicle Construction and Use Regulations or EU type approval). Retrofitting to wheels and tires can onl