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How Does A Crank Sensor Work
A crankshaft position sensor helps the engine to keep
running smoothly.
It also measures the position and the rotational speed of the sensor
to estimate the exact time for fuel delivery.
Most of the vehicle uses the combination of
the crankshaft with camshaft sensor to get a
better information on fuel requirement of
the engine.
The engine control unit uses the
information from the crankshaft to control
the timing of
ignition and fuel injection.
It helps the engine to maintain all the parts in a well timed
manner to deliver a smooth operation of the engine.
Where is the Crankshaft Position Sensor
Located?
The location of crankshaft sensor varies from vehicle to
vehicle.
In most vehicles, it is located on the front
underside of the engine.
In some vehicles, it is found near to the timing
cover.
In some vehicles, it is mounted at the rear or the side of the
engine.
Sometimes the sensor is mounted to
the bell housing of the transmission.
If the sensor is near to the transmission, it
measures the speed of the clutch flywheel to
determine the speed of the crankshaft.
What are the different types of crankshaft sensor?
There are 4 types of crankshaft sensor found in vehicles.
:- A magnetic pickup coil
:- A hall effect sensor
:- A magneto resistive element
:- An optical sensor.
The magnetic pickup coil, Hall-effect sensor and
magneto use metal teeth on the wheel that helps to
create the signals for the ECM to read.
The optical position sensor uses a LED light to send the
information to the ECM.
This information is only good for high and low-speed vehicles. If
the sensor is dirty, it gives inaccurate information that causes
the vehicle to run poorly.
What are the symptoms of a bad crankshaft sensor?
:- Acceleration problem
:- Reduced gas mileage
:- Engine misfire
:- Rough Idle
:- Stalling
:- Starting problem etc.
Why the sensor fails?
There are few causes that affect the crankshaft
sensor. They are
:- Wheel and pin damage
:- Magnetic problems
:-circuitry and wiring problems etc.
How Does A Crank Sensor Work

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How Does A Crank Sensor Work

  • 2. A crankshaft position sensor helps the engine to keep running smoothly.
  • 3. It also measures the position and the rotational speed of the sensor to estimate the exact time for fuel delivery.
  • 4. Most of the vehicle uses the combination of the crankshaft with camshaft sensor to get a better information on fuel requirement of the engine.
  • 5. The engine control unit uses the information from the crankshaft to control the timing of ignition and fuel injection.
  • 6. It helps the engine to maintain all the parts in a well timed manner to deliver a smooth operation of the engine.
  • 7. Where is the Crankshaft Position Sensor Located?
  • 8. The location of crankshaft sensor varies from vehicle to vehicle.
  • 9. In most vehicles, it is located on the front underside of the engine.
  • 10. In some vehicles, it is found near to the timing cover.
  • 11. In some vehicles, it is mounted at the rear or the side of the engine.
  • 12. Sometimes the sensor is mounted to the bell housing of the transmission.
  • 13. If the sensor is near to the transmission, it measures the speed of the clutch flywheel to determine the speed of the crankshaft.
  • 14. What are the different types of crankshaft sensor?
  • 15. There are 4 types of crankshaft sensor found in vehicles. :- A magnetic pickup coil :- A hall effect sensor :- A magneto resistive element :- An optical sensor.
  • 16. The magnetic pickup coil, Hall-effect sensor and magneto use metal teeth on the wheel that helps to create the signals for the ECM to read.
  • 17. The optical position sensor uses a LED light to send the information to the ECM.
  • 18. This information is only good for high and low-speed vehicles. If the sensor is dirty, it gives inaccurate information that causes the vehicle to run poorly.
  • 19. What are the symptoms of a bad crankshaft sensor?
  • 20. :- Acceleration problem :- Reduced gas mileage :- Engine misfire :- Rough Idle :- Stalling :- Starting problem etc.
  • 21. Why the sensor fails?
  • 22. There are few causes that affect the crankshaft sensor. They are
  • 23. :- Wheel and pin damage :- Magnetic problems :-circuitry and wiring problems etc.