K 1500 Suburban 4WD V8-5.3L VIN T (2002)
Fuel Pressure: Specifications
Measure with the Key On Engine Off with the fuel pump commanded ON.
Vin (V,T,U)
Fuel Pressure (gasoline) ...................................................................................................................................................................................... 55-62 psi
Vin (Z)
Fuel Pressure (ethanol) ........................................................................................................................................................................................ 48-54 psi
These specifications are taken from the Fuel System Diagnosis. For complete testing of fuel pressures and volume see Fuel System Diagnosis, See:
Powertrain Management/Computers and Control Systems/Testing and Inspection