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Fig. 3: Inspection/Maintenance System Check (2001-2003 GM Vehicles - Except Metro, Prizm, Saturn & Inspection/Maintenance (I/M) Complete System Set Procedure The step numbers below refer to the step numbers in Fig. 4 on 2001-2003 GM vehicles, except Metro, Prizm, 1. Ensure you perform INSPECTION/MAINTENANCE (I/M) SYSTEM CHECK before performing this test. Failure to do so may result in difficulty updating the status to YES. 2. This step is to run the HO2S Heater Tests and initiate the EVAP System Test. Preprogramming the scan tool will reduce the amount of time the oxygen sensor heaters operate while verifying the enable criteria.
1998 Chevrolet Pickup C1500 DRIVE CYCLES OBD-II Vehicles - OBD-II Readiness Monitors
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