A dirty air filter will affect idle speed.
The effects of a dirty car air filter are as follows:
1. Using a dirty air filter while driving will cause insufficient air intake to the engine and cause fuel combustion. Insufficient;
2. It causes unstable engine operation, reduced power and increased fuel consumption. Therefore, the car must keep the air filter clean;
3. If the air filter fails, the throttle body will be contaminated, leading to unstable idle speed, abnormal engine vibration and other symptoms.
Chevrolet Loaf does not misfire when idling, but misfires when running
After the wastegate valve is damaged, it will cause the car to burn engine oil and cause serious blue smoke in the exhaust. The reason is that the waste gas valve is also equivalent to an oil and gas separator. When it works normally, it only absorbs exhaust gas but not oil.
Causes:
1. Quality problems of the waste gas valve itself;
2. Improper maintenance;
3. Fuel quality problems;< /p>
4. Aging. The wastegate valve works when the engine is at high temperature. Over time, it will age like the valve cover gasket and rubber ring.
Car trouble. Reasons for frequent fires in Lanlefeng are: leakage and breakage of new distribution lines due to chlorine problems, excessive spark gap, too small or carbon deposits between electrodes; crankcase ventilation and improper valve installation Or it is faulty; the electric gasoline pump is faulty, the gasoline filter is clogged, or the gasoline pressure regulator is faulty; the fuel injector is clogged or stuck, resulting in poor fuel atomization.