FixVault
Home
›
Pontiac
›
2008
›
G5 Base, Standard
›
Repair and Diagnosis
›
Engine Performance
›
System
›
Engine Control System & Fuel System - 2.2L (L61) - DTC P0412 To DTC P2544
›
DTC P0420
›
DTC Descriptor
DTC Descriptor
DTC P0420
Catalyst System Low Efficiency Bank 1