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Fuel Pump

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
FUEL PUMP PERFORMANCE

Application (1) psi (kPa)
All Models 160-203 (1103-1400)
(1) If scan tool is used, normal fuel pressure parameter reading should be 1.1-1.4 MPa.