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Home >> Buick >> 2002 >> Regal LS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self-Diagnostics - 3.8L >> Diagnostic Tests >> DTC P0404: EGR Open Position Performance >> Conditions For Setting DTC

Conditions For Setting DTC

DTC sets when the difference between EGR position sensor and desired EGR position is more than 15 percent for more than 25 seconds.

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