Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1990 Mitsubishi Precis Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Fuel Pump (Fuel Injected)
REGULATED FUEL PRESSURE
| Application | At Idle w/Vacuum psi (kg/cm2 ) | At Idle w/o Vacuum psi (kg/cm2 ) |
|---|---|---|
| Eclipse 1.8L & 2.0L (VIN R), Galant 2.0L (VIN R), Mirage, Pickup (2.4L), Precis, & Van/Wagon | 38 (2.7) | 47-50 (3.3-3.5) |
| Eclipse 2.0L (VIN U) | 27 (1.9) | 36-38 (2.5-2.7) |
| Galant 2.0L (VIN V), Montero (3.0L) Pickup (3.0L) & Sigma | 38 (2.7) | 47-50 (3.3-3.5) |
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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