In 2005, Accord replaced the accelerator rubber sleeve.

1, too much carbon deposit in the engine.

2. Improper use of engine oil or unclean engine oil.

In addition, engine noise is mainly caused by abnormal engine noise:

1, the engine lower guard plate screw is loose. Common faults, tighten or adjust the engine lower guard screw.

2. The engine claw pad is aging. Claw pads support the engine and can only be replaced after aging.

The plastic parts in the engine compartment are loose. Such as an engine cov plate, an intake pipe and that like. , you can fasten it.

4. Abnormal sound of engine belt. Include a booster belt and a generator belt. , belt aging, too loose or too tight will produce abnormal sound, so change or adjust the tightness.

5. Engine knock. Excessive carbon deposition inside the engine or unqualified fuel. Remove carbon deposit and replace fuel.

6. Abnormal valve sound. Especially after the cold car hits the car, the valve will beep, and then the hot car will be fine, because the oil is deposited in the oil pan and the engine is not pressed up in time when it starts. But if the valve has been thinking about it, it is necessary to consider changing the "thick" oil.

7. Engine "backfire" failure. The engine will have a "poop-poop" sound, mostly because the valve has too much carbon deposit or the timing adjustment is incorrect. Remove the carbon deposit on the valve and adjust the valve timing.

8. The engine stalled. One cylinder does not ignite, and most of them are spark plugs or ignition modules, which can be replaced.

9. Abnormal sound of bearing. There will be a regular "buzzing" sound when the bearing is abnormal, such as engine tensioner, idler and generator. , so replace the relevant parts.