Alfa Romeo Stelvio Crankshaft Position Sensor Replacement Cost

There's no set replacement interval for the crankshaft position sensor, and on many cars, the part will last the lifetime of the vehicle. It's not uncommon for it to fail, however, and the likelihood increases once you pass 100,000 miles.

Using a professional-grade scanner, a mechanic can read where the sensors think the crankshaft and camshaft are, and compare this to their actual position. If the reading from either sensor is incorrect, the sensor will be tested and replaced if necessary.

A Crankshaft Position Sensor code isn't always triggered by a defective Crankshaft Sensor. It can be triggered by other worn components such as a worn timing belt or timing chain, defective ignition components, or a defective mass air flow sensor.

To replace the crankshaft position sensor, you have to disconnect any electrical connectors and then unscrew the sensor. Sealant may be applied before inserting the new sensor into the engine. On some vehicles, the crankshaft position sensor is located inside the engine block, and significant deconstruction is required to get to it. In these cases, we recommend trusting a professional technician with the repair.

Before replacing the crankshaft position sensor, a technician should verify that the timing chain/timing belt is in good condition and properly installed, the electrical circuit for the sensor is okay, and address any oil that is leaking onto the sensor.