gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Fuel Pump > < Fuel Rail Pressure (FRP) Sensor Switch|Page 6630
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Fuel Pressure Test Port: Locations

FUEL SCHRADER VALVE

The Fuel Schrader Valve is located on the right front of the engine, on the right upper valve rocker Arm cover. 

Fuel Pump > < Fuel Rail Pressure (FRP) Sensor Switch|Page 6630