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    Engine Speed Sensor – Repairs & Replacement in Hamilton

    What does the engine speed sensor do?New engine speed sensor Hamilton NZ

    The engine speed sensor (or crankshaft sensor / crank angle senor) is used to detect how quickly your engine’s crankshaft is spinning. It then sends this data to your car’s onboard computer, which makes adjustments to your engine’s ignition timing and fuel injection to allow for optimum engine fuel economy, engine power, and exhaust emission conditions.

    The engine speed sensor is mounted near to the engine’s crankshaft. Most engine speed sensors create a small magnetic field. When the crankshaft spins, its serrated edges obstruct the magnetic field. The frequency of obstructions determines how fast the crankshaft is moving.

    As well as an engine speed sensor, most cars with auto transmissions will also have a transmission speed sensor, which monitors the rotations of your car’s transmission to change gears.

    Problems with the engine speed sensor can affect the air/fuel ratio inside your engine. This can affect the performance and efficiency of the engine.
    Learn more about air/fuel ratio >

     

    Symptoms of a faulty engine speed sensor:

    Increased fuel consumption – A faulty engine speed sensor will cause your car to inject too much/too little fuel. This can cause the fuel to be burned incorrectly, resulting in it going to waste and higher green house gas emissions.

    Check engine light on – If your engine’s speed sensor has an intermittent signal then the check engine light will turn on.

    Reduced engine performance – Problems with the engine speed sensor can lead to your engine not performing correctly. This can cause stalling, reduced acceleration and increased emissions and hard starting.

    Engine stalling or hard starting when hot – sometimes the engine speed sensor / crank angle sensor will fail when it is hot, which can cause the engine to stall or make it hard to start after the engine is hot. Sometimes just waiting for the engine to cool down will allow the engine speed sensor / crank angle sensor to start working again and the engine to start and run. In this situation the engine speed sensor / crank angle sensor will need to be replaced.


     

    Engine Speed Sensor – Repairs & Replacement in Hamilton

    Is your car in need of a new engine speed sensor? If so, we can help! At Grimmer Motors, our team of skilled mechanics can quickly determine if the engine speed sensor is the cause of your engine’s running problems. If it is, we can install a new one for you. This will allow for reduced fuel consumption, optimum engine performance, reduced exhaust emissions and increased engine reliability.

    For engine speed sensor / crankshaft sensor repairs, replacement and diagnostics in Hamilton, contact Grimmer Motors today!

    CONTACT US

    Phone: 07 855 2037

    Email: office@grimmermotors.co.nz

    Address: 998 Heaphy Terrace, Fairfield, Hamilton

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