⚠️ Hyundai overview
Hyundai sells high-volume sedans, SUVs, and electric models in the United States. Most US Hyundais are gasoline or hybrid; diesel passenger models are not sold new in the US market.
Service portal
Hyundai GDS / Kia GDS / Genesis GDS (dealer diagnostic and service information)
Fuel system notes
- Many Hyundais use under-rear-seat fuel pump access
- Turbo GDI engines need full flush after contamination
- Ioniq 5/6 are battery-electric — no fuel tank
Model index
Select a model for misfuel and fuel contamination procedures:
Frequently asked questions
Do US Hyundais have diesel engines?
Current US passenger Hyundais are gasoline, hybrid, or electric — not diesel.
What system do techs use for Hyundai fuel procedures?
Hyundai GDS and associated service manuals at authorized dealers.
Need professional misfuel recovery?
Find a certified operator or read consumer guidance for your next steps.
Find an operator Consumer guidance