What is the reason why the accelerator car honks?

What is the reason why the accelerator car honks? First, the reason for the horn of the throttle car: 1, the turbocharger impeller is worn, and the solution is to replace the turbocharger; 2. The turbocharger bearing is damaged and needs to be replaced in time; 3. The exhaust valve of the engine is not tightly sealed, and the exhaust gas recirculation valve of the diesel engine and the throttle valve of the gasoline engine are not tightly sealed. The maintenance method of turbocharger is: 1, and after the automobile engine is started, you can't slam on the accelerator; 2. After the engine runs at high speed for a long time, it cannot be turned off immediately; 3. Choose the right engine oil; 4. Clean the oil and filter regularly; 5. Clean the air filter on time; 6. Check the sealing ring of turbocharger regularly; 7. Clean the air filter regularly; 8. Regularly check lubricating oil pipes and joints. @20 19