Cleaning Gasoline from the Fuel System
WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Drain the fuel tank.
- Fill the fuel tank to 1/4 full.
- Loosen the fuel filter drain and connect the filter to a hose that flows into a metal container.
- Operate the fuel system hand primer at the fuel filter until clean fuel flows from the fuel filter drain into the metal container.
- Hand tighten the fuel filter drain and disconnect the hose.
- Install a hose on the fuel return line near the glow plug relay, and insert the other end into a 7.6 liters (2 gallon) metal container.
- Crank the engine for 30 second time intervals, with 1 minute cool-down periods. Continue until 3.8 liters (1 gallon) of fuel has passed into the container.
- Reconnect the fuel return line.
- Attempt to start and run the engine for 15 minutes. If the engine does not start, operate the hand primer for 30 strokes, or until firm.
- Stop the engine.
- Clean any fuel spillage from the engine.
- Clear the engine of any diagnostic trouble codes (DTCs).