P0402
Moderate
Powertrain
Exhaust Gas Recirculation Excessive Flow
Common Causes
Stuck-open EGR valve
Failed EGR control solenoid
Faulty DPFE or EGR position sensor
Common Symptoms
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Quick Info
| Code | P0402 |
| System | Powertrain |
| Severity | Moderate |
Disclaimer
This information is for diagnostic guidance only. Always verify repairs with a qualified technician before performing safety-critical work.
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