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  • What is the function of the crankshaft position sensor?

    The function of the crankshaft position sensor is to control the ignition timing of the engine and to confirm the signal source of the crankshaft position. The crankshaft position sensor is used to detect the top dead center signal of the piston and the crankshaft angle signal, and is also the si...
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  • What is the effect of a bad air flow sensor in a car?

    The damage of the air flow sensor will affect the power performance of the engine, such as unstable idle speed, “backfire” of the intake pipe, poor acceleration, and black smoke from the exhaust pipe, etc., and also lead to excessive exhaust emissions. The air flow meter is the sensor...
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  • Can I continue driving if the engine crankshaft sensor is damaged?

    The crankshaft sensor is broken and the car can no longer be driven. After the crankshaft sensor is damaged, the rotation angle of the crankshaft cannot be confirmed, and the trip computer cannot receive the signal from the crankshaft position sensor. In order to protect the engine, no fuel injec...
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  • The fault performance of the air flow sensor is broken

    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...
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  • How Wheel Speed Sensors Work

    Passive Wheel Speed Sensors: Passive wheel speed sensors are commonly used to measure the rotational speed of the wheels. Its basic working principle: It consists of a set of electromagnets passing through a coil. When the protruding part of the gear tooth approaches the sensor magnet conductor, ...
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  • car air flow sensor

    car air flow sensor

    Today, let’s talk about the basic principle and inspection method of the air flow sensor. The air flow meter is installed between the air filter element and the electronic throttle valve to accurately measure the amount of air entering the cylinder, and then convert the air intake data sign...
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  • The structure principle of air flow sensor

    On the electronically controlled fuel injection device, the sensor that measures the amount of air sucked by the engine, that is, the air flow sensor, is one of the important components that determines the control accuracy of the system. When the control accuracy of the air-fuel ratio (A/F) of th...
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  • Crankshaft sensor intermittent failure

    Crankshaft sensor The function of the crankshaft position sensor is to determine the position of the crankshaft, that is, the rotation angle of the crankshaft. It usually works with the camshaft position sensor to determine the basic ignition timing. When the engine is ignited and in which cylind...
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  • Wheel speed sensor detection and method introduction

    Detection of wheel speed sensor (1) Check the gap between the sensor head of the wheel speed sensor and the ring gear: the front wheel should be 1.10~1.97mm, and the rear wheel should be 0.42~0.80mm. (2) Raise the vehicle so that the wheels are off the ground. (3) Remove the ABS wheel speed senso...
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  • Introduction to the role and types of air flow sensors

    The function of the air flow sensor is to convert the amount of air drawn into the engine into an electrical signal and provide it to the electronic control unit (ECU), which is the main basis for determining the basic fuel injection volume. Wing type air flow sensor: The fin type air flow sensor...
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  • What is the impact of a broken vehicle speed sensor on the car

    A broken vehicle speed sensor has the following effects on the vehicle: 1. The engine fault light turns on. 2. When the vehicle starts or decelerates to a stop while driving, it stops or stalls instantly. 3. Decreased engine acceleration performance. 4. The vehicle speed display on the instrument...
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  • Types and principles of ABS sensors

    1. The ring wheel speed sensor is mainly composed of permanent magnets, induction coils and ring gears. The permanent magnet is composed of several pairs of magnetic poles. During the rotation of the ring gear, the magnetic flux inside the induction coil alternately generates induced electromotiv...
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