LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Pontiac >> 2001 >> Aztek Base, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics >> Diagnostic Tests >> DTC P0401: EGR System - Insufficient Flow >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC P0401: EGR System - Insufficient Flow: Notes

NOTE: For circuit reference, see WIRING DIAGRAMS article.
Fig 1: Identifying EGR Harness Connector Terminals
G00039867Courtesy of GENERAL MOTORS CORP.
scientia non olet · About LEMON Manuals