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Home › GMC › 2002 › C3500 HD 6.5 F, Automatic › Repair and Diagnosis › Engine Performance › System › Engine Controls - 6.5L › Repair Instructions › Fuel System Cleaning › Gasoline in Fuel System › Engine Will Run or Start

Engine Will Run or Start

  1. Drain the fuel tank. Refer to Fuel Tank Draining Procedure .
  2. Fill the fuel tank to 1/4 with diesel fuel.
  3. Run the engine for 15 minutes.
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