P0521
Engine Oil Pressure Sensor/Switch Range/Performance
2007-2012 Nissan Altima 2.5L I4
High SeverityPowertrainGeneric (SAE)
Description
Oil pressure sensor reading is out of expected range.
Symptoms
- Oil pressure gauge erratic
- Warning light flickering
Common Causes
- Sensor fault
- Oil pressure fluctuating
- Worn oil pump
- Wrong viscosity oil
Diagnostic Steps
- Test with mechanical gauge
- Check oil level and condition
- Test sensor
- Verify correct oil viscosity
Repair Notes
Verify actual pressure. Replace sensor if pressure is good.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0521 on Other Vehicles
Nissan 200SX
1995-1998 1.6L I4 GA16DE
Nissan 200SX SE-R
1995-1998 2.0L I4 SR20DE
Nissan 240SX
1995-1998 2.4L I4 KA24DE
Nissan 300ZX
1990-1996 3.0L V6 VG30DE
Nissan 300ZX Twin Turbo
1990-1996 3.0L Twin-Turbo V6 VG30DETT
Nissan 350Z
2003-2006 3.5L V6 VQ35DE
Nissan 350Z
2007-2009 3.5L V6 VQ35HR
Nissan 370Z
2009-2020 3.7L V6 VQ37VHR
Common Questions
What does code P0521 mean on a 2007-2012 Nissan Altima?
P0521 stands for "Engine Oil Pressure Sensor/Switch Range/Performance". Oil pressure sensor reading is out of expected range.
What are the symptoms of P0521 on a Nissan Altima?
Common symptoms of P0521 include: Oil pressure gauge erratic, Warning light flickering.
What causes P0521 on a 2007-2012 Nissan Altima?
Common causes of P0521 include: Sensor fault, Oil pressure fluctuating, Worn oil pump, Wrong viscosity oil.