chevrolet Workshop Repair Guides

Chevrolet Workshop Service and Repair Manuals

Idle Speed/Throttle Actuator - Electronic > < Fuel - Feed/Return Pipe Repair|Page 2473
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Fuel Tank Pressure Release Valve: Testing and Inspection

    Attach a short length of vacuum hose to valve inlet tube (fuel tank line connection) and blow into hose. The valve diaphragm should open and allow
air to pass through valve. If not, replace valve assembly.

Idle Speed/Throttle Actuator - Electronic > < Fuel - Feed/Return Pipe Repair|Page 2473