Epc Audi A4. Throttle Position Sensor The throttle position sensor is typically located on the gas pedal. Here is a more detailed list of possible causes of the EPC Light.
The buckinglurching lasts for a minute or 2. When driving my Audi A4 20T CVT with FrontTrak when some times it takes a second or to to respond to me giving it gas. What have you tried so far.
The EPC monitors and controls multiple components therefore to understand what is the real cause of the problem you will need your car to be scanned for errortrouble codes to pin point the exact problem with the system.
It is used by other systems on the car such as stability and cruise control. Issues were caused by a boost leak plus the fact that I had accidentally disconnecte. Car is sluggish when first start car shakes and jerks at 0-2 rpm. My audi a4 b7 is acting up epc light is on wont rev over 1700.
