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Home >> Pontiac >> 2001 >> Aztek Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 420 (Engine Control System Self-Diagnostics - 3.8L) >> Diagnostic Tests >> DTC P0401: EGR System Insufficient Flow >> Conditions For Setting DTC

Conditions For Setting DTC

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The MAP changes monitored by the PCM during the EGR flow tests indicate an insufficient amount of EGR flow.

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