Fuel Pressure: Specifications

FUEL PUMP PERFORMANCE

Application

Pressure psi (kg/cm² )

4.0L V6 ⁽¹⁾⁽³⁾

40.8-41.7 (2.87-2.93)

4.7L V8 ⁽²⁾⁽³⁾

38-44 (2.7-3.1)

⁽¹⁾	Measure fuel pressure at idle.

⁽²⁾	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.

⁽³⁾	Make sure fuel pressure remains at 21 psi (1.5 kg/cm² ) or more for 5 minutes after initial pressure check.