What is a crankshaft position sensor?
The crankshaft position sensor—also referred to as the crankshaft sensor or crank sensor—monitors the location and rotational speed of the crankshaft and sends the information to the vehicle’s engine control unit (ECU). The crankshaft position sensor works with the camshaft position sensor to control fuel injection and ignition timing.
This electronic sensor is found in almost all modern cars with internal combustion engines. computerized engine management systems, and it is typically located on the engine block.
When should I replace the crankshaft position sensor on my car?
Here are a few common signs of a faulty crankshaft position sensor:
An illuminated check engine light
Keep in mind: A bad camshaft sensor can produce the same symptoms, so it’s best to get both sensors checked.
How often should a crankshaft position sensor be replaced?
Crankshaft position sensors should last the lifetime of your vehicle, but since they’re located close to the car’s engine, they are exposed to intense heat and can wear down.
Instead of looking at your odometer to tell you when you’re in need of a replacement, watch for warning signs and take your vehicle to a mechanic when you notice warning signs of a bad sensor.
Can I replace my crankshaft position sensor myself?
It is possible to complete a crankshaft position sensor replacement at home if you have the right tools and DIY auto repair experience.
However, it is vital to your vehicle’s overall performance that the job is done correctly, so most drivers should take their vehicle to a mechanic for a crankshaft position sensor replacement.