Is Engine Emission Failure Easy to Repair?
1 Answers
Engine emission failure is not easy to repair. Reasons for engine emission failure: Poor quality of car gasoline with inferior fuel may lead to abnormal mixing ratio, electronic equipment failure, and abnormal exhaust system; Faulty electronic components in the intake system, such as oxygen sensors, carbon canister solenoid valves, throttle valves, and engine carbon deposits; The engine control program needs to be updated or debugged. Solutions for engine emission failure: Check the spark plugs and cylinder wires; Conduct a fuel pressure system test; Inspect the injectors of each cylinder; Examine the fuel pump and its circuit; Additionally, check the cylinder pressure, intake and exhaust valve clearance, fuel vapor control solenoid valve, EGR valve cylinder operation, and whether the intake manifold leaks.