Teana 6-cylinder throttle is washed, what should I do if the idle speed is high?

This is the premise of high idle speed after the accelerator is washed, which proves that there is no problem before it is washed. And you didn't say what kind of car you are, whether it's an electronic throttle or a cable throttle, which will make a big difference;

1, leave a match after cleaning, and delete the learning value stored in the computer, because the computer will record your previous patterns and habits;

2. If it is disassembled and cleaned, the sealing surface should be reprocessed and resealed during assembly, otherwise it will cause air leakage;

3. Oxygen sensor poisoning;

4. There is something wrong with the air flowmeter;

5. There is something wrong with the air temperature sensor;

6. If your car doesn't have a stereo and anti-theft password, you can try to disconnect the negative battery for 5 minutes.