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Fuel Pump Pressures

FUEL PUMP SPECIFICATIONS (KEY ON/ENGINE OFF)

Application psi (kg/cm2 )
Electric Fuel Pump
DFI (2) 9-12 (.6-.8)
EFI (1) 38-44 (2.6-2.0)
PFI
2.0L 35-38 (2.5-2.7)
3.0L 40-47 (2.8-3.3)
3.8L 34-40 (2.4-2.8)
3.8L "3800" 40-47 (2.8-3.3)
All Others 40-47 (2.8-3.3)
TBI 9-13 (.6-1.1)
Mechanical Fuel Pump
1.6L (1) (2)
5.0L & 5.7L 5.5-6.5 (.3-.45)
(1) Used on Nova Models.
(2) Information not available at time of publication.