There are several reasons for Audi's slump:
First: there are impurities inside the valve body. The requirements for the working environment inside the valve body are very high. No impurities can enter. Even the powder will affect the smooth operation of the shift valve inside the valve body.
Second: caused by the solenoid valve. There is a small valve core in the solenoid valve, which works by current, which is similar to the working valve in the valve body. If there is a fault, it will lead to unstable oil pressure regulation and unbalanced switching, which will lead to frustration.
Third: gearbox computer failure. The computer is the central heart inside the gearbox. The control part of the gearbox is responsible for communicating with the body computer, collecting signals and sending instructions. Most computer failures are in the aspect of sending instructions.
Fourth: caused by oil pressure sensor. The sensor collects data and transmits it to the computer, and then the computer sends instructions to the solenoid valve. If the collected data is wrong, the given pressure must also be wrong.
Fifth: because the car computer itself will have the function of learning to drive, it doesn't mean where you can learn the frustrating performance. This situation is relatively rare. Generally, you can know the learning value.
Sixth: very few factors will be caused by internal faults of the transmission.
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