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 MANUALSHYUNDAI2002XG 350 V6-3.5LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTEMISSION CONTROL SYSTEMSTECHNICAL SERVICE BULLETINS
2002 Hyundai XG 350 V6-3.5L
Emission Control Systems: Technical Service Bulletins
2002 Hyundai XG 350 V6-3.5LSECTION Technical Service Bulletins
- Customer Interest
- By Symptom
- All Technical Service Bulletins
- Emissions - EGR System Diagnostics
- Emissions - Enhanced DTC P0446 Diagnostics
- Computers/Controls - OBD-II Trouble Code Table
- Emissions - Supplemental EVAP System Diagnostics
- Engine Controls - Unstable Idle/Poss. MIL ON/DTC P0401
- Emissions - EVAP Leak Code Diagnosis/Repair
- Engine Controls - EVAP System DTC P0446
- Emissions - EGR System Diagnosis
- Emissions - EVAP Emission Control Diagnosis for P0446
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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.