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.
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HOMESERVICE MANUALSMITSUBISHI1991PRECIS L4-1468CC 1.5L SOHCREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSCOMPUTERS AND CONTROL SYSTEMSSYSTEM SPECIFICATIONS
1991 Mitsubishi Precis L4-1468cc 1.5L SOHC
System Specifications
1991 Mitsubishi Precis L4-1468cc 1.5L SOHCSECTION System Specifications
Accelerator cable free play
M/T 0.04 - 0.08 in. (1 - 2 mm)
A/T 0.12 - 0.20 in. (3 - 5 mm)
Firing order 1-3-4-2
Idle speed [1] 700 ± 100 RPM
Idle mixture [2]
TIGHTENING TORQUE SPECIFICATIONS:
Accelerator cable adjustment bolts 3 - 4 ft.lbs. (4 - 6 Nm)
Drain plug 11 - 18 ft.lbs. (15 - 25 Nm)
Fuel filter mounting bolts 6.5 - 10 ft.lbs. (7 - 11 Nm)
Fuel pressure regulator lock nut 5 - 8 ft.lbs. (8 - 10 Nm)
Fuel rail installation bolts 7.2 - 9.4 ft.lbs. (10 - 13 Nm)
High pressure hose to fuel filter 22 - 29 ft.lbs. (30 - 40 Nm)
High pressure hose to fuel rail 3 - 4 ft.lbs. (4 - 6 Nm)
High pressure hose to fuel tank 22 - 29 ft.lbs. (30 - 40 Nm)
Main fuel line to fuel filter 22 - 29 ft.lbs. (30 - 40 Nm)
Throttle body to surge tank bolts 7.2 - 19.4 ft.lbs. (10 - 13 Nm)
TPS mounting screws 1.1 - 1.8 ft.lbs. (1.5 - 2.5 Nm)
[1] Refer to ADJUSTMENT PROCEDURES.
[2] Not adjustable.
M/T 0.04 - 0.08 in. (1 - 2 mm)
A/T 0.12 - 0.20 in. (3 - 5 mm)
Firing order 1-3-4-2
Idle speed [1] 700 ± 100 RPM
Idle mixture [2]
TIGHTENING TORQUE SPECIFICATIONS:
Accelerator cable adjustment bolts 3 - 4 ft.lbs. (4 - 6 Nm)
Drain plug 11 - 18 ft.lbs. (15 - 25 Nm)
Fuel filter mounting bolts 6.5 - 10 ft.lbs. (7 - 11 Nm)
Fuel pressure regulator lock nut 5 - 8 ft.lbs. (8 - 10 Nm)
Fuel rail installation bolts 7.2 - 9.4 ft.lbs. (10 - 13 Nm)
High pressure hose to fuel filter 22 - 29 ft.lbs. (30 - 40 Nm)
High pressure hose to fuel rail 3 - 4 ft.lbs. (4 - 6 Nm)
High pressure hose to fuel tank 22 - 29 ft.lbs. (30 - 40 Nm)
Main fuel line to fuel filter 22 - 29 ft.lbs. (30 - 40 Nm)
Throttle body to surge tank bolts 7.2 - 19.4 ft.lbs. (10 - 13 Nm)
TPS mounting screws 1.1 - 1.8 ft.lbs. (1.5 - 2.5 Nm)
[1] Refer to ADJUSTMENT PROCEDURES.
[2] Not adjustable.
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.