The failure phenomenon and consequences of the vane air flow sensor
The inaccurate resistance value of the sliding piece on the potentiometer will cause the air flow signal to be inaccurate, which will cause the engine power to drop, the operation will not be hidden, and the fuel consumption will increase. , will cause the engine to stop running or work unstable
Insufficient elasticity of the return spring, resulting in excessive fuel injection, resulting in increased engine fuel consumption
Poor contact of the switch point of the fuel pump will cause the fuel pump to work poorly, which will cause the engine to be difficult to start or stall after starting.
Karman scroll air flow sensor broken fault performance
The failure of the electronic component circuit causes the incorrect frequency signal to be transmitted, resulting in difficult engine room movement, unstable interest rate and increased fuel consumption.
Hot wire or hot film air flow sensor is broken and faulty performance
If the hot wire or hot film is dirty, the voltage of the air flow signal will drop, resulting in a decrease in fuel supply, unstable engine operation, reduced power, and poor acceleration.
If the hot wire or hot film is damaged, there will be no air flow signal output, resulting in the engine not working
The thermistor does not work well, and the air flow signal voltage is inaccurate, resulting in unstable engine operation and increased fuel consumption.
Post time: Apr-07-2022