Operation CHARM: Car repair manuals for everyone.

A3 - EVAP Control Valve Signal Line Disconnected

^ Disconnect the evaporative emission control valve signal line from the fuel tank filler pipe.

^ Plug the signal line at the fuel tank filler pipe.

^ Plug the evaporative emission supply line at fuel vapor canister.

^ Pressurize the fuel system.

^ Remove plug from the evaporative emission supply line.

^ Did the fuel system pressure decay?

YES -- Replace the evaporative emission tube shut off valve. Verify service.

NO -- Go to A4. A4 - Evaporative Emission Tube Disconnected