What's wrong with Audi q7epc lamp?

Hello, there are several possibilities for Audi EPC light to light up. 1 Air leakage in engine air intake system. The throttle is too dirty and stuck. The engine computer erroneously receives the position signal of the throttle sensor. In this case, just clean the throttle. There is something wrong with the accelerator pedal. It is suggested to read the fault code with a detector at the maintenance station, and then ask the owner whether there is a problem with the car maintenance according to the fault point. 4S shop professional technician, 10 minutes to solve.