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 DIAGNOSISSPECIFICATIONSELECTRICAL SPECIFICATIONSFUEL INJECTOR
1991 Hyundai Sonata V6-3.0L
Fuel Injector
1991 Hyundai Sonata V6-3.0LSECTION Fuel Injector
Ignition Timing
Base timing (at curb idle) 5~±2~BTDC
Idle timing 15~BTDC
Injectors
Resistance @ 68°F 13 - 16 ohm
ISC Motor Coil (Stepper Motor)
Resistance @ 68°F 28 - 33 ohm
Throttle Position Sensor
TPS Output @ curb idle 0.48 - 0.52v
Resistance Approx 0.5 Kohm smoothly increasing to 3.5 - 6.5 Kohm
Base timing (at curb idle) 5~±2~BTDC
Idle timing 15~BTDC
Injectors
Resistance @ 68°F 13 - 16 ohm
ISC Motor Coil (Stepper Motor)
Resistance @ 68°F 28 - 33 ohm
Throttle Position Sensor
TPS Output @ curb idle 0.48 - 0.52v
Resistance Approx 0.5 Kohm smoothly increasing to 3.5 - 6.5 Kohm
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.