FixVault
Home
›
Isuzu
›
2006
›
i-350
›
Repair and Diagnosis
›
Engine Performance
›
System
›
Engine Control System - 3.5L (L52) - DTC P0365 To DTC P1112
›
DTC P0420
›
Circuit/System Verification
Circuit/System Verification
Operate the vehicle within the Conditions for Running the DTC.
If the DTC fails this key cycle, proceed with Circuit/System Testing.