How to solve the problem of high consistency of 13 2.0 mai Rui Bao mixer

The methods to solve the problem of over-concentrated automobile mixture are: 1. Measure the oxygen sensor circuit and replace the front and rear oxygen sensors if necessary; 2. Check the ignition coil and replace the spark plug; 3. Check the air intake system, exhaust system and vacuum system; 4. Replace the intake flow sensor, air temperature sensor and intake pressure sensor; 4. Replace the engine control module; 5. Check the fuel injector and replace the fuel pump and fuel filter. The fault phenomena of over-concentrated automobile mixture are: 1, the throttle shaft or carburetor gasket leaks oil, which makes it difficult to start the engine; 2. Engine power decreases, temperature increases and fuel consumption increases.