Symptoms of a Bad or Failing Crankshaft Position Sensor

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Cost of Replacing a Bad or Failing Crankshaft Position Sensor

Common signs of a faulty crankshaft position sensor include issues starting the vehicle, intermittent stalling, and the Check Engine Light coming on. Our certified technicians can come to you and diagnose the problem. You will receive a $30 credit towards any follow-up repairs that result from the diagnostic. Following are example prices for Crankshaft Position Sensor Replacement. Click on the button below to get an upfront quote for your car.

Cars Estimate Parts Cost Labor Cost Savings Average Dealer Price
2014 Chevrolet Impala $101 $31.42 $70.00 26% $138.92
2003 Nissan Xterra $667 $191.03 $476.00 27% $922.03
2011 Mercury Milan $204 $133.88 $70.00 15% $241.38
2006 Mercedes-Benz CL600 $143 $72.78 $70.00 20% $180.28
2014 Mercedes-Benz CL550 $161 $90.98 $70.00 18% $198.48
2013 Audi S5 $397 $102.68 $294.00 28% $554.18
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How to Diagnose a Bad or Failing Crankshaft Position Sensor?

crankshaft position sensor

The crankshaft position sensor is an engine management component found on virtually all modern vehicles with internal combustion engines. It monitors the position and rotational speed of the crankshaft and sends the information to the engine control unit so it can make appropriate adjustments based on operating conditions. The crankshaft speed and position are some of the most important parameters used in engine management calculations, and many engines cannot run if the crankshaft position sensor is not providing an accurate signal. Usually a problematic crankshaft position sensor will produce a few symptoms that alert the driver of a potential problem that should be serviced.

1. Issues starting the vehicle

The most common symptom associated with a bad or failing crankshaft position sensor is difficulty starting the vehicle. The crankshaft position sensor monitors the position and speed of the crankshaft and other parameters that play an important role when starting the engine. If the crankshaft position sensor is having a problem, the vehicle may have intermittent starting issues or may not start at all.

2. Intermittent stalling

Another symptom commonly associated with a problematic crankshaft position sensor is intermittent stalling. If the crankshaft position sensor or its wiring have any issues, it can cause the crankshaft signal to be cut off while the engine is running, which can cause the engine to stall. This is usually a symptom of a wiring problem, however a bad crankshaft position sensor can also produce this symptom.

3. Check Engine Light comes on

Another issue of a potential problem with the crankshaft position sensor is an illuminated Check Engine Light. If the computer detects a problem with the crankshaft position sensor’s signal, it will activate the Check Engine Light to alert the driver of the problem. A Check Engine Light can also be set off by a wide variety of other issues so having computer scanned for trouble codes is highly recommended.

The crankshaft position sensor is critical to proper engine functionality and performance due to the vital signal it provides for engine calculations. When it has issues, they can quickly lead to problems that affect the drivability of the vehicle. For this reason, if you suspect that your crankshaft position sensor has an issue, have the vehicle inspected by a professional technician from YourMechanic. They will be able to diagnose your car and replace your crankshaft position sensor if necessary.

Sensors
Check Engine Light
Crankshaft
Stalling

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Recent Crankshaft Position Sensor Replacement reviews

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YourMechanic Crankshaft Position Sensor Replacement Service

Average Rating

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Number of Reviews

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Rating Summary
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Rigoberto

8 years of experience
442 reviews
Rigoberto
8 years of experience
Rigoberto is prompt, professional, patient and explained everything. Being a female it’s been difficult throughout the years to trust auto mechanics- but Rigoberto made me feel very comfortable. The customer service representatives are very friendly and professional as well. I’m so happy I made the decision to try YourMechanic and will definitely recommend this company to other.
2008 JEEP LIBERTY - CRANKSHAFT POSITION SENSOR - CHICAGO, ILLINOIS

Jim

18 years of experience
24 reviews
Jim
18 years of experience
Jim and his son were amazing!!! Came to the house and immediately I felt at ease with these two. They listened to my breakdown of events which lead me to contacting them in the first place. Quickly they assessed the situation and got to work. Replacing the part and answering another couple questions and provided me with helpful information. I would highly recommend them to anyone who will listen. Thank you Jim and Mason!!!!!
2006 NISSAN FRONTIER - CRANKSHAFT POSITION SENSOR REPLACEMENT - SAINT PAUL, MINNESOTA

Robert

15 years of experience
40 reviews
Robert
15 years of experience
Robert was on time, sent a text including a live action map tracker showing where he was enroute to our home. He was professional, courteous & knowledgeable & answered questions in an understandable manner. He completed the repair, ran a diagnostic to confirm the Trouble Code had been cleared, and explained the Warranty on his work.
2008 CHEVROLET EXPRESS 2500 - CRANKSHAFT POSITION SENSOR - GLENDALE, ARIZONA

Grzegorz

38 years of experience
420 reviews
Grzegorz
38 years of experience
He was so much better than the last mechanic I had and he arrived on time too! He inspected the car and told me he didn't have the tools to raise the car (my car is low) and proceeded to ask me if it was ok to go to his friend's shop. We got there and the operation (crankshaft sensor replacement) only took like 30 minutes because he knew what he was doing. I will only trust Grzegorz from now on because he's the best mechanic ever.
2006 BMW 325I - CRANKSHAFT POSITION SENSOR - REDWOOD CITY, CALIFORNIA

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