Inspection/Maintenance (I/M) System DTC Table. Chevrolet Blazer

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2003 🢒 Blazer - 2WD 🢒 Engine 🢒 Engine Controls - 4.3L 🢒 Inspection/Maintenance (I/M) System DTC Table

System	DTCs Required to Set System Status to YES
Catalyst	DTC P0420 or P0430
EVAP	DTC P0442 DTC P0446
Oxygen Sensor	DTC P0133 or P0153 DTC P0140 DTC P1133 or P1153
Oxygen Sensor Heater	DTC P0135, P0141, or P0155