Chevrolet Cobalt Service & Repair Manual: Fuel Pressure Relief
| 1. |
Loosen fuel fill cap to relieve fuel
tank vapor pressure. |
| 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. |
|
1.
Relieve fuel system pressure.
2.
Drain fuel tank.
3.
Raise and support vehicle.
4.
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