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Fuel Pressure: Specifications

FUEL PUMP PERFORMANCE

Application Pressure psi (kg/cm2 )
4.7L V8 (1)(2) 38-44 (2.7-3.1)
(1) Check fuel pressure with engine off and using Toyota hand-held tester connected to data link connector No. 3 with ignition on to activate fuel pump or by connecting battery voltage to terminals on electric fuel pump.
(2) Make sure fuel pressure remains at 21 psi (1.5 kg/cm2 ) or more for 5 minutes after initial pressure check.