Fuel Pump (Fuel Injected)

1989 Mitsubishi Sigma AutomaticSECTION Fuel Pump (Fuel Injected)
REGULATED FUEL PRESSURE

Application At Idle w/Vacuum psi (kg/cm2 ) At Idle w/o Vacuum psi (kg/cm2 )
Starion 35-38 (2.5-2.7) 47-50 (3.3-3.5)
Montero
3.0L 38 (2.7) 147-53 (3.3-3.5)
All Other Models 38 (2.7) 47-50 (3.3-3.5)
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.