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Fuel Pump

FUEL PUMP PERFORMANCE

Application

⁽¹⁾ psi (kg/cm² )

TBI

⁽²⁾ 34.1-39.8 (2.4-2.8)

MFI

⁽³⁾ 35.6-42.7 (2.5-3.0)

⁽¹⁾	Key on and engine off.

⁽²⁾	Pressure should maintain at least 21.3 psi (1.5 kg/cm² ) for one minute after fuel pump is turned off.

⁽³⁾	Pressure should maintain at least 25.6 psi (1.8 kg/cm² ) for one minute after fuel pump is turned off.

REGULATED FUEL PRESSURE

Application

psi (kg/cm² )

MFI

⁽¹⁾⁽³⁾ 29.9-37.0 (2.1-2.6)

TBI

⁽²⁾⁽⁴⁾ 34.1-39.8 (2.4-2.8)

⁽¹⁾	With engine idling.

⁽²⁾	Pressure should maintain at least 21.3 psi (1.5 kg/cm² ) for one minute after fuel pump is turned off.

⁽³⁾	Pressure should maintain at least 25.6 psi (1.8 kg/cm² ) for one minute after fuel pump is turned off.

⁽⁴⁾	Key on and engine off.