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Fuel System

FUEL INJECTION

Application Model
CFI Ford Central Fuel Injection
MPFI Ford Multi-Port Fuel Injection

For fuel system pressure relief procedures and fuel system diagnosis, see appropriate article in FUEL SYSTEMS section.

FUEL PUMP PERFORMANCE

Application Specification
Pressure
CFI (1.9L) 13-16 psi. (.9-1.1 kg/cm2 )
CFI (2.5L) (1) 35-55 psi. (240-380 kPa)
MPFI (Probe) 27-40 psi (1.9-2.8 kg/cm2 )
MPFI (All Others) 35-45 psi (2.5-3.2 kg/cm2 )
Volume
CFI 1 Pt. (.5L) in 20 seconds
MPFI 1.5 Pts. (.72L) in 30 seconds
(1) This is a revised specification as per Ford TSB 91-11B-27.