How to Replace a Camshaft Position Sensor

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Average rating from 630 customers who received a Camshaft Position Sensor Replacement.

The camshaft position sensor (CMP) is used by the powertrain control module (PCM) to determine the position of the camshaft in relation to the crankshaft. The PCM uses this information for fuel injector control, and in some cases, ignition system control. There are two basic types of camshaft sensors: Hall effect and magnetic reluctance. The Hall effect design has three wires going to it: reference, signal and ground. The PCM sends a reference DC voltage to the camshaft sensor and the sensor sends a return signal back to the PCM in accordance with camshaft position. On the other hand, the magnetic reluctance sensor has two wires and creates its own AC voltage when it passes by a reluctor wheel inside the engine.

Part 1 of 2: Locating and removing the camshaft position sensor

Materials Needed

  • Free repair manuals - Autozone provides free online repair manuals for certain makes and models
  • Protective gloves
  • Repair manuals (optional)
  • Safety glasses
  • Wrench or ratchet and sockets of the appropriate size

Step 1: Locate the sensor. The camshaft position sensor is generally mounted in the block or cylinder head, depending on engine design.

Step 2: Disconnect the negative battery cable. Disconnect the negative battery cable and set it aside.

Step 2: Remove the sensor electrical connector. Remove the electrical connector by pushing down on the tab and sliding it off.

Step 4: Remove the sensor mounting screw(s). Remove the sensor mounting screws using a wrench or ratchet and socket of of the appropriate size.

Step 5: Remove the sensor. Remove the sensor from the engine by pulling it straight out.

Part 2 of 2: Installing the new camshaft position sensor

Step 1: Install the new sensor. Push the sensor straight in and align the bolt flange with the mounting hole.

Step 2: Install the sensor mounting screws. Install the sensor mounting screws and tighten them down using a wrench or ratchet and socket of of the appropriate size.

Step 2: Reinstall the electrical connector.

Step 4: Reinstall the negative battery cable. Reconnect the negative terminal to the battery.

That’s what it takes to replace your camshaft position sensor. If this seems like something you’d prefer to leave to a professional, YourMechanic offers expert camshaft position sensor replacement.


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Recent Camshaft Position Sensor Replacement reviews

Excellent Rating


YourMechanic Camshaft Position Sensor Replacement Service

Average Rating

4.8/5

Number of Reviews

630

Rating Summary
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577
24
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MICHAEL

31 years of experience
114 reviews
MICHAEL
31 years of experience
Dodge Durango - Camshaft Position Sensor - Richboro, Pennsylvania
Michael has been very thorough in fixing my problem with my car. He has a pleasant personality and took the time to satisfactorily answer any questions I’ve had. He’s definitely an asset!
Dodge Journey - Camshaft Position Sensor - Horsham, Pennsylvania
Terrific guy...Car up and running...came out late in awful weather and fixed me up...Also gave some advice on existing and future issues that may arise...Will definitely recomend to anyone who needs service TY!

Dellano

16 years of experience
377 reviews
Dellano
16 years of experience
Chevrolet Equinox - Camshaft Position Sensor - Bethesda, Maryland
Wow, Dellano to the rescue! My car died on me yesterday after one of the other YM’s guys dealt with it and I had to get it towed back home. I immediately scheduled follow-up service with Dellano but he was booked up until Thursday evening. I was pissed but customer service explained my situation to him and he came to fix my car less than 24 hours later. He talked to me on the phone for over 20 minutes before he headed my way, listened to my concerns and explained what he was going to fix. I’m extremely grateful for his professionalism and how quick he got it done (was at my house less than 1 hour) and he made sure to follow behind me for several miles after fixing it to make sure all was well. I will definitely get more work done with him in the future! Thanks much 
Chrysler Town & Country - Camshaft Position Sensor - Bethesda, Maryland
Delano arrived on time and walked me through exactly what he was going to do. In addition to replacing two faulty camshaft sensors, he noticed I have a leak in my oil filter. I plan on using Delano again. Highly recommend him.

Horus

9 years of experience
88 reviews
Horus
9 years of experience
Suzuki XL-7 - Camshaft Position Sensor - San Antonio, Texas
Great job on the work done. Very happy and he was well educated on what needed to be accomplished. Good nature and very friendly. Vehicle runs great after the work completed.

Dia

30 years of experience
62 reviews
Dia
30 years of experience
Volkswagen Beetle - Camshaft Position Sensor - Stone Mountain, Georgia
Extremely knowledge of my vehicle. Very prompt and professional. Completed the job in half the time.

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