Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Pontiac >> 2001 >> Aztek Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 114 (Engine Controls Self-Diagnostics) >> Diagnostic Tests >> DTC P0401: EGR System - Insufficient Flow >> Conditions For Setting DTC

Conditions For Setting DTC

WARNING: This page is about a different car, the 2002 Pontiac Montana, 2002 Oldsmobile Silhouette, and 2002 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.

The MAP changes monitored during the EGR flow test indicate insufficient EGR flow.

scientia non olet · About Mike's Workshop Manuals