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1999-2001 CHEVROLET TRACKER
1.6L I4•RWD•gas•G16
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Repairs0Labor555Torque142Fluid8DTC1767Battery1Maintenance0Recalls0
P0406moderate severityPowertrain

EGR Sensor A Circuit High

on 1999-2001 Chevrolet Tracker 1.6L I4 · RWD

What this code means

High voltage from the EGR position sensor A.

Symptoms

  • Check Engine Light
  • EGR control issues

Common causes

  • Open circuit
  • Short to power
  • Faulty sensor

Diagnostic steps

  1. Test sensor voltage
  2. Check for opens/shorts

Repair notes

Repair wiring or replace EGR valve.

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