P0404 Moderate Powertrain

Exhaust Gas Recirculation Control Range/Performance

Common Causes

Faulty EGR valve not responding to commands
Carbon buildup on EGR valve pintle
Failed EGR position sensor

Common Symptoms

EGR System Issues

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Quick Info

Code P0404
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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