How to reset the idle speed of Nissan Teana 2.3 displacement washing throttle in 2005?

After cleaning the intake valve of the vehicle, the flap still moves in the original formation, which means that it is not in place. The difference is that the carbon deposit has been

The classics were washed away. Therefore, the air intake will be a little more than usual, resulting in high idle speed.

Treatment method:

1, set with a diagnostic instrument, and the optimal idle speed data will immediately replace the data before cleaning, so that the engine speed will immediately return to the optimal target speed.

2. If there is no diagnostic instrument setting, it is necessary to constantly refresh old data and store new data, or return to the optimal idle speed. The duration of this process depends on different vehicle control systems.

Extended data:

Methods of diagnosing high valve idling;

1, check the throttle opening.

2. Check the load signal of the engine.

3. Check the vacuum degree of the intake manifold.

4. Reset the engine computer.

5. Check whether the throttle valve is completely closed at idle speed and whether the throttle cable is stuck.

6. Re-adjust the idle procedure.

7. Check the pipe joint and vacuum hose of the air intake system for air leakage.

8, check the crankcase forced ventilation valve.

Phoenix Net —— Three Solutions for Auto Idle flameout/Instability/Overhigh.