What happened to the body shake when Honda Odyssey accelerated?

Cause of body vibration during acceleration of Honda Odyssey: 1, air leakage in intake manifold. 2. Too much carbon deposit in the throttle valve, too much carbon deposit in the throttle valve and the surrounding air intake, and the cross-sectional area of the air passage changes, which causes the control unit to be unable to accurately control the idle intake, and also causes the mixture to be too rich or too thin, which leads to the unstable idle speed of the car. 3. The actuator of the air intake system is faulty. 4. Fuel system failure, fuel injector blockage, fuel filter blockage, fuel pump filter blockage, fuel pressure regulator failure, fuel return pipe blockage and other failures.

When the car is idling, it will twitch every few seconds, especially when it is cold. Cleaning the throttle and replacing the spark plug are useless. What is the reason?

1, air leakage in intake manifold.

2. Too much carbon deposit in the throttle valve, too much carbon deposit in the throttle valve and the surrounding air intake, and the cross-sectional area of the air passage changes, which causes the control unit to be unable to accurately control the idle intake, and also causes the mixture to be too rich or too thin, which leads to the unstable idle speed of the car.

3. The actuator of the air intake system is faulty, and many actuators of the engine air intake system, such as throttle motor, idle stepper motor, duty ratio solenoid valve, air flow meter and intake pressure sensor, are damaged, resulting in unstable idle speed of the automobile.

4. Faults such as fuel system failure, fuel injector blockage, fuel filter blockage, fuel pump filter blockage, fuel pressure regulator failure, fuel return pipe blockage, etc. will all lead to incorrect fuel injection, which will cause the mixture to be too rich or too thin, leading to unstable idle speed of the car.

5. Failure of ignition system, ignition module, incorrect spark plug gap, ablation or damage of spark plug electrode, high-voltage line resistance and other failures lead to the decrease of ignition spark energy or fire, which leads to unstable idle speed of the car.

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