Chevrolet Cobalt Service & Repair Manual: 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 Service & Repair Manual. Operation
    The desired yaw rate is calculated from the position of the steering wheel, the speed of the vehicle and the lateral, or sideways acceleration of the vehicle. The difference between the desired yaw rate and the actual yaw rate is the yaw rate error, which is a measurement of o ...

    Chevrolet Cobalt Owners Manual

    Chevrolet Cobalt Service Manual


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