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Home >> Chevrolet >> 2009 >> HHR SS, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Engine Controls And Fuel - 2.2L Or 2.4L - Troubleshooting & Diagnosis) >> Fuel Composition Diagnosis >> Circuit/System Testing - J44175 Ethanol Content More Than 15 Percent

Circuit/System Testing - J44175 Ethanol Content More Than 15 Percent

WARNING: This page is about a different variant/trim than selected.
  1. Perform a complete key cycle, key ON, engine OFF, in order to ensure that the ECM/PCM recognizes a refueling event.
    2. IMPORTANT: It may be necessary to partially drain the fuel tank.
  2. Key OFF, add at least 11 liters (3 gallons) of non-blended gasoline to the fuel tank.
  3. Use the scan tool to reset the Fuel Alcohol Content parameter to 3 percent.
    4. NOTE: In order to ensure the non-blended gasoline has reached the fuel injectors, the vehicle may need to be driven more than 11 km (7 mi) with the engine at operating temperature.
  4. Drive the vehicle until the Fuel Composition Learn parameter displays Inactive.
  5. Use the scan tool to reset the fuel trim values.
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