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Home >> Hummer >> 2008 >> H3 Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 297 (Engine Control System & Fuel System - 2.9L - Introduction, Service & Repair) >> Repair Instructions >> Throttle Learn >> Throttle Learn >> With Scan Tool-Reset

With Scan Tool-Reset

WARNING: This page is about a different car, the 2009 GMC Canyon and 2009 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, engine OFF. With a scan tool, perform the Idle Learn Reset in Module Setup.
  2. Start the engine, monitor the TB Idle Airflow Compensation parameter. The TB Idle Airflow Compensation parameter value should equal 0 percent and the engine should be idling at a normal idle speed.
    • If the engine is not idling normally, proceed with the Learn portion of the diagnostic.
  3. Clear the DTCs and return to the diagnostic that referred you here.
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