Fuel Pressure

1997 Ford Explorer 4D Utility, 4.0 X, RWD, AutomaticSECTION Fuel Pressure
1997 FUEL PRESSURE SPECIFICATIONS

Engine psi (kg/cm2 )
Natural Gas Vehicle (1) 105-130 (7.4-9.1)
Diesel (2) 30-80 (2.1-5.6)
Gasoline
Aspire (3) 38-46 (2.7-3.3)
Contour & Mystique (3) 35-45 (2.5-3.2)
Probe (2.5L) (3) 39-45 (2.8-3.2)
Villager (4) 34 (2.4)
All Others (3) 30-45 (2.1-3.2)
(1) With engine speed at 2500 RPM.
(2) Measured at regulator block, at wide open throttle and under full load.
(3) With key on and engine off.
(4) With engine running.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.