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 MANUALSLEXUS1994SC 300 L6-3.0L (2JZ-GE)REPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSFUEL RAIL
1994 Lexus SC 300 L6-3.0L (2JZ-GE)
Fuel Rail
1994 Lexus SC 300 L6-3.0L (2JZ-GE)SECTION Fuel Rail
INJECTION
Volume 70 - 88 cc (4.3 - 5.4 ci) per 15 seconds
Difference between Injectors 9 cc (0.5 ci) or less
Maximum leakage one drop or less per minute
TORQUE
Delivery pipe mounting bolts 21 Nm (15 ft lb)
ACIS actuator mounting bolts 6.8 Nm (61 in lb)
Intake chamber stay mounting bolts 18 Nm (13 ft lb)
Fuel return pipe union bolt 27 Nm (20 ft lb)
Fuel inlet pipe union bolt 42 Nm (30 ft lb)
No. 2 vacuum pipe mounting bolts 21 Nm (15 ft lb)
Volume 70 - 88 cc (4.3 - 5.4 ci) per 15 seconds
Difference between Injectors 9 cc (0.5 ci) or less
Maximum leakage one drop or less per minute
TORQUE
Delivery pipe mounting bolts 21 Nm (15 ft lb)
ACIS actuator mounting bolts 6.8 Nm (61 in lb)
Intake chamber stay mounting bolts 18 Nm (13 ft lb)
Fuel return pipe union bolt 27 Nm (20 ft lb)
Fuel inlet pipe union bolt 42 Nm (30 ft lb)
No. 2 vacuum pipe mounting bolts 21 Nm (15 ft lb)
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.