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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 P0403: EGR Solenoid Control Circuit >> Conditions For Setting DTC
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Conditions For Setting DTC

DTC sets when PCM detects an electrical malfunction in control circuit for EGR valve for more than 20 seconds.

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