Chevrolet Cobalt Service & Repair Manual: Fuel Pressure Relief

Chevrolet Cobalt Service & Repair Manual / Engine Management / Fuel Pumps / Fuel Pressure Relief

1. Loosen fuel fill cap to relieve fuel tank vapor pressure.
2. Remove engine cover.
3. Remove fuel rail service port cap, then wrap a shop towel around fuel rail service port.
4. Depress (open) fuel rail test port valve using a small flat-bladed tool.
5. Remove shop towel from around fuel rail service port, and place in an approved gasoline container.
6. Install fuel rail service port cap and engine cover.
    Fuel Pumps
    ...

    Fuel Pump Replacement
    1. Relieve fuel system pressure. 2. Drain fuel tank. 3. Raise and support vehicle. 4. ...

    See also:

    Chevrolet Cobalt Owners Manual. Engine Oil Life System
    The engine oil life system calculates engine oil life based on vehicle use and displays a DIC message when it is necessary to change the engine oil and filter. The oil life system should be reset to 100% only following an oil change. Resetting the Oil Life System 1. Turn the ignition to ON/RUN ...

    Chevrolet Cobalt Owners Manual

    Chevrolet Cobalt Service Manual


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