How to solve the high signal of Jiangling Shunda p2455 fault differential pressure sensor?

The signal of Jiangling Shunda p2455 fault differential pressure sensor is too high, which is the abnormal signal of vehicle intake pressure sensor. Usually, the throttle valve is dirty and stuck, which leads to the conflict between intake and throttle position. Just clean the vehicle throttle. The specific operation steps are as follows:

1. Remove the throttle hose.

2. Open the throttle.

3. Clean with a brush.

4. Spray with detergent.

5. Replace the hose and it's done.