Engine
EGR System Issues
Description
Check engine light related to exhaust gas recirculation. May cause rough idle, hesitation, or failed emissions test.
Common Causes
Carbon-clogged EGR valve or passages
Failed EGR control solenoid
Faulty EGR position or pressure sensor
Related Trouble Codes
P0400
Exhaust Gas Recirculation Flow Malfunction
Moderate
P0401
Exhaust Gas Recirculation Insufficient Flow
Moderate
P0402
Exhaust Gas Recirculation Excessive Flow
Moderate
P0403
Exhaust Gas Recirculation Control Circuit
Moderate
P0404
Exhaust Gas Recirculation Control Range/Performance
Moderate
P0405
EGR Sensor A Circuit Low
Moderate
P0406
EGR Sensor A Circuit High
Moderate
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Quick Info
| System | Engine |
| Related DTCs | 7 |