Back to 2004 Lexus LS 430

2004 LEXUS LS 430

4.3L V8RWDAUTOMATICgas
2 active safety recalls on this vehicle — view recalls
Repairs0Labor502Torque5986Fluid7DTC751Battery0Maintenance0Recalls2
P0521high severityPowertrain

Engine Oil Pressure Sensor/Switch Range/Performance

on 2004 Lexus LS 430 4.3L V8 · RWD

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.

Other Powertrain codes on this vehicle

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