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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 P0403: EGR Solenoid Control Circuit >> Code Enable Criteria

Code Enable Criteria

Engine is cranking or running.
System voltage is 10-16 volts.

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

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