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Fuel Pressure

1993 FUEL PRESSURE SPECIFICATIONS (CARS - GASOLINE)

Engine KOER psi (kg/cm2 ) KOEO psi (kg/cm2 )
1.3L 25-31 (1.8-2.2) 64-85 (4.5-6.0)
1.6L 28-31 (2.0-2.2) 64-85 (4.5-6.0)
1.8L 30-37 (2.1-2.6) 64-85 (4.5-6.0)
2.0L 37-45 (2.6-3.2) 64-92 (4.5-6.5)
2.5L 39-45 (2.8-3.2) 72-92 (5.1-6.5)
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 30-40 (2.1-2.8) 35-40 (2.5-2.8)
All Others 30-45 (2.1-3.2) 35-40 (2.5-2.8)
1993 FUEL PRESSURE SPECIFICATIONS (TRUCKS - GASOLINE)

Engine KOER psi (kg/cm2 ) KOEO psi (kg/cm2 )
3.0L 35-38 (2.5-2.7) 40-43 (2.8-3.0)
4.9L MFI 45-60 (3.2-4.2) 50-60 (3.5-4.2)
All Others 30-45 (2.1-3.2) 35-45 (2.5-3.2)
1993 FUEL PRESSURE SPECIFICATIONS (TRUCKS - DIESEL)

Engine psi (kg/cm2 )
6.6L & 7.8L
At Fuel Filter Inlet 15-30 (1.05-2.11)
At Fuel Filter Outlet 15-28 (1.05-1.96)
At Fuel Return Line 6 (.42)
7.3L
At Fuel Filter Inlet (1) 2 (.14)
At Fuel Filter Outlet (2) 1 (.07)
At Fuel Return Line (2) 2 (.14)
FD-1060
Maximum Pressure At Injection Pump
160 hp 10 (.70)
Except 160 hp 25 (1.76)
Transfer Pump Output
160 hp 3-7 (.21-.49)
Except 160 hp 18-28 (1.26-1.96)
FD-1460
Maximum Pressure At Injection Pump 25 (1.76)
Transfer Pump Output 18-28 (1.26-1.96)
(1) Measured at idle.
(2) Measured at 3300 RPM.
1993 FUEL PRESSURE SPECIFICATIONS (LPG)

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