What are the faults of Chang 'an Star 16v and p0 123?

Chang 'an Star 16v, p0 123 faults indicate that the circuit of accelerator/accelerator pedal position sensor/switch A is on the high side, that is, the difference between electronic accelerator and accelerator opening information is too large, and the accelerator is too dirty, so cleaning can solve it. The specific operation steps are as follows:

1. Loosen the throttle connecting hose.

2. Disconnect the connecting hose.

3. Spray the throttle with carburetor cleaner.

4. Clean the throttle with a brush.

5. Replace the air inlet hose, and the fault can be solved.