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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 125 (Engine Controls - Removal, Overhaul & Installation - 6.5L Diesel) >> Fuel Systems >> Fuel Tank Inspection >> Cleaning Gasoline from the Fuel System

Cleaning Gasoline from the Fuel System

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, 2002 GMC C3500 HD, and 2002 Chevrolet RV Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the fuel tank. Fill the fuel tank. Remove the ECM 1 fuse from the underhood relay center. Remove the fuel filter outlet and connect the outlet to a hose that flows to a metal container.
  2. Use a scan tool and command the lift pump ON until clean fuel flows from the fuel filter outlet into a metal container. Connect the hose from the fuel filter outlet to the injection pump inlet.
  3. Install the ECM 1 fuse into the underhood relay center. Attempt to start and run the engine for 15 minutes. If engine does not start, purge the injection system. Stop the engine. Clean any fuel spillage from the engine. Clear the engine of any DTCs.
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