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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 364 (Engine Controls And Fuel - 5.3L, 6.0L & 6.2L - DTC P0443 Through DTC P3449 And Troubleshooting) >> Diagnostic Information and Procedures >> Fuel Composition Diagnosis >> Circuit/System Testing - J 44175 Ethanol Content Less Than 15 Percent

Circuit/System Testing - J 44175 Ethanol Content Less Than 15 Percent

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
  1. Perform the Fuel Composition Reset using the scan tool.
  2. Perform the Fuel Trim Reset using the scan tool.
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