Back to 2003 Lexus SC 430

2003 LEXUS SC 430

4.3L V8RWDAUTOMATICgas
Repairs0Labor502Torque3847Fluid7DTC734Battery0Maintenance0Recalls0
P1410moderate severityPowertrain

EGR Valve Position Sensor Circuit

on 2003 Lexus SC 430 4.3L V8 · RWD

What this code means

The ECM detected a fault in the EGR valve position sensor circuit.

Symptoms

  • CEL
  • Rough idle
  • Hesitation
  • Increased NOx
  • Failed emissions

Common causes

  • Faulty EGR position sensor
  • Carbon buildup
  • Damaged wiring
  • Corroded connector

Diagnostic steps

  1. Test sensor voltage
  2. Clean EGR valve
  3. Inspect wiring
  4. Command EGR with scan tool

Repair notes

Replace EGR valve or sensor.

Other Powertrain codes on this vehicle

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