FixVault
Home
›
Buick
›
2008
›
Allure CX
›
Repair and Diagnosis
›
Engine Performance
›
System
›
Engine Control System & Fuel System - 3.8L - DTC P0385 To DTC P2108
›
DTC P0401
›
DTC Descriptor
DTC Descriptor
DTC P0401
Exhaust Gas Recirculation (EGR) Flow Insufficient