Fuel Pump

WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2003 Hummer H2, 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 GMC Sierra, and 2003 GMC Savana Special. However, it is still accessible from the selected car via links, so may be relevant.

FUEL PUMP PERFORMANCE

Application

psi (kPa)

Bi-Fuel Engines ⁽¹⁾

⁽²⁾ 130-200 (826-1379)

CNG Engines

⁽³⁾ 110-210 (758-1448)

Gasoline Engines

55-62 (379.2-427.5)

⁽¹⁾	Bi-fuel engines are equipped with a gasoline and a CNG injector on each cylinder.

⁽²⁾	Pressure reading as shown under FRP display on a scan tool.

⁽³⁾	Pressure checked at Intermediate Pressure Regulator (IPR) test port using CNG Electronic Pressure Gauge Kit (J-39970).