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Fuel Pressure: Specifications

Key On Engine Off 38 - 44 Pound Per Square Inch (psi)
Regulated Fuel Pressure
Note: Vacuum hose connected to fuel pressure regulator.
28 - 34 at 650 - 750 Pound Per Square Inch At RPM (psi @ rpm)
Un-regulated Fuel Pressure
Note: Vacuum hose disconnected from fuel pressure regulator.
38 - 44 at 650 - 750 Pound Per Square Inch At RPM (psi @ rpm)
Leakdown Pressure
Note: Minimum pressure after engine has been shut off for 5 minutes.
21 Pound Per Square Inch (psi)