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 MANUALSHYUNDAI1991SONATA V6-3.0LREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSCOMPUTERS AND CONTROL SYSTEMSSYSTEM SPECIFICATIONS
1991 Hyundai Sonata V6-3.0L
System Specifications
1991 Hyundai Sonata V6-3.0LSECTION System Specifications
Accelerator cable free play
M/T 0 - 0.04 in. (0 - 1 mm)
A/T 0.08 - 0.12 in. (2 - 3 mm)
Curb Idle rpm 700 ±100 rpm
Torque
Accelerator Arm Bolts 5.8 - 8.7 ft.lbs. (8 - 12 Nm)
Drain plug 11 - 18 ft.lbs. (15 - 25 Nm)
Fuel filter mounting bolts 6.5 - 10 ft.lbs. (8.8 - 14 Nm)
Fuel rail installation bolts 6.5 - 10 ft.lbs. (9 - 14 Nm)
High pressure hose to fuel filter 18 - 25 ft.lbs. (25 - 35 Nm)
High pressure hose to fuel rail 2.2 - 3 ft.lbs. (25 - 35 Nm)
High pressure hose to fuel tank 22 - 29 ft.lbs. (30 - 40 Nm)
ISC servo (stepper motor) 1.8 - 3.3 ft.lbs. (2.5 - 4.4 Nm)
Throttle body to surge tank bolts 7.2 - 9 ft.lbs. (10 - 13 Nm)
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.