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2008 AUDI A3
2.0L Turbo I4•FWD•AUTOMATIC•gas•BPY•turbo
3 active safety recalls on this vehicle — view recalls
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Repairs0Labor505Torque3212Fluid7DTC1087Battery1Maintenance0Recalls3
P0521high severityPowertrain

Engine Oil Pressure Sensor/Switch Range/Performance

on 2008 Audi A3 2.0L Turbo I4 · FWD

What this code means

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

  1. Test with mechanical gauge
  2. Check oil level and condition
  3. Test sensor
  4. Verify correct oil viscosity

Repair notes

Verify actual pressure. Replace sensor if pressure is good.

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