Engine-Codes.com | All About OBDII Engine Codes
Engine-Codes.com | All About OBDII Engine Codes

P0521 Chevrolet

P0521 Chevrolet - Engine Oil Pressure Sensor/Switch Circuit Range/Performance

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P0521 Chevrolet Comments |  Add Comment
Possible causes
- Low oil level or motor mechanical fault
- Faulty oil pressure sensor
- Oil Pressure Sensor harness is open or shorted
- Oil Pressure Sensor circuit poor electrical connection
Help with Possible causes What does this mean?
When is the code detected?
The P0521 is detected when the signal sent from oil pressure sensor to PCM goes out of range.
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Oil pressure warning light ON.
P0521 Chevrolet Description

The PCM continuously monitors the engine oil pressure. The Oil Pressure Sensor/Switch sends a signal to the PCM when the engine is running.

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