Audi Q7: Driveshaft

 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

 Guidelines for Clean Working Conditions

Even a small amount of contamination can lead to malfunctions. Therefore, observe the following guidelines for cleanliness when working on the A/C system: Immediately seal the open lines and connections with clean plugs, for example from the Engine Bung Set -VAS6122-. Place the removed compone