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Fuel Pressure - Trucks

2005 FUEL PRESSURE SPECIFICATIONS - TRUCKS

Engine KOER psi (kg/cm2 ) KOEO psi (kg/cm2 )
Aviator 25-65 (1.8-4.6) 25-65 (1.8-4.6)
Econoline
Diesel (6.0L) 45-55 (3.2-3.9) (1) 0-55 (0-3.9) (1)
Gasoline (6.8L) 55-65 (3.2-4.6) (1) 40-50 (2.1-4.2) (1)
Gasoline (All Others) 28-45 (2.0-3.2) 35-45 (2.4-3.2)
Natural Gas Vehicle (2) 80-120 (5.6-8.4)
Excursion & Pickup
Diesel (6.0L) 45-55 (3.2-3.9) (1) 0-55 (0-3.9) (1)
Gasoline 28-45 (2.0-3.2) 35-45 (2.4-3.2)
Natural Gas Vehicle (2) 80-120 (5.6-8.4)
Escape, Escape Hybrid & Mariner 39 (2.7) 39 (2.7)
Expedition & Navigator 28-45 (1.9-3.1) 35-45 (2.4-3.2)
Explorer & Mountaineer 30-40 (2.1-2.8) 30-40 (2.1-2.8)
Explorer Sport Trac 60-65 (4.2-4.6) 60-65 (4.2-4.6)
Freestar & Monterey (2) 35-70 (2.4-4.8)
Freestyle 40 (2.8) (3), (4) 40 (2.8) (3), (4)
Ranger 60-65 (4.2-4.6) 60-65 (4.2-4.6)
(1) Operating fuel line primary pump pressure.
(2) Information is not available from manufacturer.
(3) With a manual gauge, the fuel pressure will be lower.
(4) Based on 60°C (140°F) fuel rail temperature, at fuel rail temperatures above 60°C (140°F), for example hot starts, the fuel rail pressure increases based on temperature up to 448 kPa (65 psi).