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 DIAGNOSISPOWERTRAIN MANAGEMENTEMISSION CONTROL SYSTEMSEXHAUST GAS RECIRCULATIONEGR VALVESPECIFICATIONS
1991 Hyundai Sonata V6-3.0L
EGR Valve: Specifications
1991 Hyundai Sonata V6-3.0LSECTION Specifications
VACUUM SPECIFICATIONS
Vacuum required to open EGR valve 26 kPa (7.5 in. Hg)
TEMPERATURE SPECIFICATIONS
Thermo valve opening Min. 50 deg.C (122 deg.F)
Thermo valve closing 61-69 deg.C (142-156 deg.F)
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.