Four-eyed Boluotong disease has the following car faults:
1. Heater internal/external circulation switch
①Fault occurrence probability: 60%-70% ;
②Fault phenomenon: unable to switch to the inner loop state or returning to the outer loop state after switching to the inner loop state.
2. Brake light switch
①Probability of failure: 90%-99%;
②Fault phenomenon: EPC light alarm, brake light turns on when the brake pedal is pressed Or the brake light stays on when the brake pedal is pressed.
3. Leakage at the connection between the water tank and the water temperature sensor
①Probability of failure: 70%-80%;
②Fault phenomenon: water tank and water temperature sensor The joints are leaking, the antifreeze is slowly reducing, and it needs to be added frequently.
4. Gasoline pump oil level sensor
①Fault probability: 90%;
②Fault phenomenon: Generally, it occurs when the fuel tank is half full. The operator cannot judge the amount of remaining gasoline through the fuel gauge pointer.
5. Ignition coil
①Probability of failure: 30%-40%;
②Fault phenomenon: steady idle speed, serious engine shaking, and the car gets hotter The more obvious the vibration, the weaker the acceleration.