Fuel Pressure

WARNING: This page does not describe the selected car, but rather 29 other vehicles, including the 1994 Mercury Villager, 1994 Mercury Tracer, 1994 Mercury Topaz, 1994 Mercury Sable, and 1994 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.

1994 FUEL PRESSURE SPECIFICATIONS (CARS - EEC- GASOLINE)

Engine

⁽¹⁾ KOER psi (kg/cm² )

KOEO psi (kg/cm² )

1.3L

⁽²⁾ 30-38 (2.1-2.7)

⁽³⁾⁽⁴⁾

1.6L

⁽⁵⁾ 27-34 (1.9-2.4)

⁽⁶⁾ 64-85 (4.5-6.0)

1.8L

⁽⁷⁾ 31-38 (2.2-2.7)

⁽⁴⁾ 64-85 (4.5-6.0)

2.0L

⁽⁸⁾ 30-38 (2.1-2.7)

⁽⁴⁾ 64-92 (4.5-6.5)

2.5L

⁽⁸⁾ 30-35 (2.1-2.5)

⁽⁴⁾ 72-92 (5.1-6.5)

3.0L

35-38 (2.5-2.7)

40-43 (2.8-3.0)

⁽¹⁾	Specification is with engine running and vacuum hose connected to fuel pressure regulator.

⁽²⁾	Fuel pressure should be 38-45 psi (2.7-3.2 kg/cm² ) with engine running and vacuum hose disconnected from fuel pressure regulator.

⁽³⁾	Fuel pressure should be 50 psi (3.5 kg/cm² ) or more.

⁽⁴⁾	Fuel pressure should be 38-45 psi (2.7-3.2 kg/cm² ) with ignition switch off, engine not running and a jumper wire is connected between ground and fuel pump terminal at data link connector.

⁽⁵⁾	Fuel pressure should be 35-43 psi (2.5-3.0 kg/cm² ) with engine running and vacuum hose disconnected from fuel pressure regulator.

⁽⁶⁾	Fuel pressure should be 38-42 psi (2.7-3.0 kg/cm² ) with ignition switch off, engine not running and a jumper wire is connected between ground and fuel pump terminal at data link connector.

⁽⁷⁾	Fuel pressure should be 40-49 psi (2.8-3.4 kg/cm² ) with engine running and vacuum hose disconnected from fuel pressure regulator.

⁽⁸⁾	Fuel pressure should be 38-45 psi (2.7-3.2 kg/cm² ) with engine running and vacuum hose disconnected from fuel pressure regulator.

1994 FUEL PRESSURE SPECIFICATIONS (EEC-V)

Engine

KOER psi (kg/cm² )

KOEO psi (kg/cm² )

3.0L Ranger

⁽¹⁾

35-45 (2.5-3.2)

3.8L Mustang

⁽¹⁾

35-45 (2.5-3.2)

4.6L Thunderbird

⁽¹⁾

35-45 (2.5-3.2)

4.6L Cougar

⁽¹⁾

35-45 (2.5-3.2)

⁽¹⁾	Information is not available from manufacturer.

1994 FUEL PRESSURE SPECIFICATIONS (CARS - EEC-IV - GASOLINE)

Engine	KOER psi (kg/cm² )	KOEO psi (kg/cm² )
2.3L HSC MFI	45-60 (3.2-4.2)	50-60 (3.5-4.2)
3.0L SHO SFI	28-33 (2.0-2.3)	30-45 (2.1-3.2)
3.8L SC SFI	28-54 (2.0-3.8)	35-45 (2.5-3.2)
All Others	35-45 (2.5-3.2)	35-45 (2.5-3.2)

1994 FUEL PRESSURE SPECIFICATIONS (TRUCKS - EEC-IV - GASOLINE)

Engine	KOER psi (kg/cm² )	KOEO psi (kg/cm² )
4.9L MFI	45-60 (3.2-4.2)	50-60 (3.5-4.2)
All Others	28-45 (2.0-3.2)	35-45 (2.5-3.2)

1994 FUEL PRESSURE SPECIFICATIONS (TRUCKS - 7.3L DIESEL)

Application

psi (kg/cm² )

VIN K & M

At Fuel Filter Inlet ⁽¹⁾

2 (.14)

At Fuel Filter Outlet ⁽²⁾

1 (.07)

At Fuel Return Line ⁽²⁾

2 (.14)

VIN F

Fuel Line Pressure

⁽³⁾ 30-70 (2.1-4.9)

⁽¹⁾	Measured at idle.

⁽²⁾	Measured at 3300 RPM.

⁽³⁾	Direct Injection (DI) system. Pressure is measured at regulator block. Specification is with engine at high idle/full load.

1994 FUEL PRESSURE SPECIFICATIONS (LPG)

Engine	psi (kg/cm² )
All Models	1.25-1.5 (.09-.11)