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INSPECTION/MAINTENANCE (I/M) SYSTEM DTC TABLE Inspection/Maintenance (I/M) System DTC Table INSPECTION/MAINTENANCE (I/M) CATALYST SYSTEM SET PROCEDURE (WITHOUT HP2) Description The purpose of this test is to satisfy the enable criteria necessary to execute inspection/maintenance (I/M) 4 1. Acceleration at part throttle to 75-89 km/h (45-55 mph) with this speed 2. Deceleration to 0 km/h (0 mph). 3. Engine idling for 2 minutes while the following criteria are maintained: z Service brake depressed z Automatic transmission in drive z Manual transmission in neutral - Go to Step 5 - 5 Observe the I/M System Status display with a - Go to Step 6 Go to the I/M System Set Procedure for the systems that have not updated 6 Observe the emission related DTC portion of - Go to Diagnostic Trouble Code (DTC) List System OK System DTCs Required to Set System Status to YES Catalyst DTC P0420 or P0430 EVAP DTC P0455 Oxygen Sensor DTC P0133 or P0153 Oxygen Sensor Heater DTC P0135 or P0155
2004 Hummer H2 2004 ENGINE PERFORMANCE Engine Controls (Troubleshooting) - 4.8L, 5.3L, and 6.0L - Hummer H2
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