A Crank Angle Sensor (CAS) is an essential component in an internal combustion engine. It monitors the position and rotational speed of the crankshaft, providing critical information to the engine control unit (ECU) for timing fuel injection and ignition. This helps ensure that the engine runs smoothly and efficiently.
When to Replace a Crank Angle Sensor:
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Engine Performance Issues: If you experience rough idling, misfires, or stalling, it could be a sign that the CAS is failing.
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Difficulty Starting the Engine: A faulty sensor might prevent the engine from starting or cause intermittent starting issues.
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Check Engine Light: The ECU might detect a problem with the CAS and trigger the check engine light on your dashboard.
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Inconsistent Engine RPM: If the engine RPMs fluctuate or behave erratically, it might indicate a problem with the CAS.
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Poor Fuel Economy: A failing sensor can affect fuel injection timing, leading to reduced fuel efficiency.
