What sensors are in the car and where are they located? What is the role of ah

1, air flow meter (MAF); role: measure the amount of air in the engine, provide ECU as the injection time of the reference signal.

2, the intake branch pipe absolute pressure sensor (MAP); role: reaction to the intake branch pipe absolute pressure size changes, is to provide the ECU to calculate the injection duration of the reference signal.

3, Throttle Position Sensor (TPS); Role: Measurement of the throttle opening angle, provided to the ECU as a fuel cut, control of fuel-air ratio; ignition advance correction of the reference signal.

4, crankshaft position sensor (CKP); role: detection of the crankshaft and engine speed, provided to the ECU as a basis for determining the ignition timing timing sequence of work signal.

5, intake air temperature sensor (IAT); role: detection of intake air temperature, provided to the ECU as the basis for calculating air density.

6, oxygen sensor (O2S); role: detection of oxygen concentration in the exhaust, provided to the ECU as a control of fuel-air ratio in the optimal value (theoretical value) near the reference signal.

7, cooling temperature sensor (THW); role: detection of coolant temperature, to provide the ECU engine temperature signal.

8, burst vibration sensor (KS); installed in the cylinder block, specializing in detecting engine deflagration conditions, provided to the ECU according to the signal to adjust the advance angle.