How to Replace the Crank Shaft Sensor on a Hyundai Santa Fe

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When the crankshaft position sensor on a Hyundai Santa Fe is defective, you may experience hard starts, stalling or the engine may not start at all. The CKP sensor monitors the speed and position of the crankshaft. A reluctor attached to the crankshaft generates a signal as it passes the CKP sensor. The sensor sends a signal to the power control module to calculate ignition timing, fuel injector timing, misfire diagnostics and the tachometer display. The CKP sensor is located at the front of the engine, next to the crankshaft.

Things You'll Need

  • Clean rags
  • Fender cover
  • Wrenches
  • Ratchet
  • Sockets
  • Open the hood of the Hyundai Santa Fe. Place a fender cover where you will be working to protect the paint from scratches and smudges.

  • Disconnect the negative battery cable with an appropriate size wrench.

  • Unplug the wire connector from the crankshaft position sensor. Inspect the wire and connector for damage. Clean any dirt or debris from the area around the sensor so it will not get inside the engine when the sensor is removed. Remove the two bolts holding the sensor in place with a socket. Remove the sensor from its position.

  • Insert the replacement crankshaft sensor in position, lining up the bolt holes. Thread the bolts in place and tighten them with a socket. Plug the wire connector into the sensor. Make sure the connector is securely in place so that the sensor will work correctly.

  • Connect the negative battery cable and tighten it with a wrench. Make sure you remove the fender cover before you close the hood. A thick fender cover could knock the hood out of alignment if it is closed in the hood.

Tips & Warnings

  • Handle the replacement crankshaft position sensor carefully while you are installing it to avoid damage.

References

  • Photo Credit tools image by Greg Pickens from Fotolia.com
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