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Crankshaft Position Sensor

The crankshaft position sensor measures the rotational speed and the positional location of the crankshaft and transmits the data to the engine control computer.

Symptoms of Wear or Failure

  • Stalling problems
  • Illumination of the Check Engine Light
  • Engine misfires

Related Repair Advice

  • Whenever the crankshaft sensor is replaced, its electrical connector should be inspected for damage or wear

It sends this information to the ignition module and engine processor, which use the information to determine when to fire the ignition coil and to help operate the fuel system. The crankshaft position sensor can be mounted near the crankshaft itself or inside the distributor, if equipped.

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