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GMC Workshop Service and Repair Manuals

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Fuel System (Without Returnless Fuel System)|Page 3975 > < Fuel System - Fuel Spit-Back/Early Pump Nozzle Shut-Off|Page 3972

Envoy 4WD V8-5.3L VIN P (2004)

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Fuel Filler Hose: Description and Operation
Fuel System (Without Returnless Fuel System)

FUEL FILL PIPE

The fuel fill pipe has a built-in restrictor in order to prevent refueling with leaded fuel.

Fuel System (Without Returnless Fuel System)|Page 3975 > < Fuel System - Fuel Spit-Back/Early Pump Nozzle Shut-Off|Page 3972