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1999 CHEVROLET LUMINA
3.8L V6•FWD•AUTOMATIC•gas
3 active safety recalls on this vehicle — view recalls
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Repairs0Labor469Torque1395Fluid7DTC1733Battery1Maintenance0Recalls3
P1403moderate severityPowertrain

EGR Solenoid Circuit

on 1999 Chevrolet Lumina 3.8L V6 · FWD

What this code means

The PCM detects a fault in the EGR control solenoid circuit. This affects the valve's ability to open and close properly.

Symptoms

  • Check engine light on
  • Rough idle
  • Failed emissions test

Common causes

  • Faulty EGR solenoid
  • Damaged solenoid wiring
  • Corroded connector
  • Failed PCM driver

Diagnostic steps

  1. Scan for EGR codes
  2. Test solenoid resistance
  3. Inspect connector and wiring
  4. Check PCM control circuit
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