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Home >> Chevrolet >> 2001 >> Impala LS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self-Diagnostics - 3.8L >> Diagnostic Tests >> DTC P1404: EGR Closed Position Performance >> Code Enable Criteria
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Code Enable Criteria

DTC sets when EGR position sensor is 0.2 volt more than EGR learned minimum position when desired EGR position is commanded to zero percent for 80 seconds.