NHTSA Complaint #11678267 — 2018 HYUNDAI TUCSON
ENGINE issue reported to NHTSA
Complaint Details
| ODI Number | 11678267 |
| Vehicle | 2018 HYUNDAI TUCSON |
| Component | ENGINE |
| Date of Incident | |
| Date Filed | |
| Mileage | N/A miles |
| Crash | No |
| Fire | No |
| Injuries | 0 |
| Deaths | 0 |
| Vehicle Towed | No |
| State | IN |
Consumer Description
Evidence package for dealer fraud: demand letter, SMS threats, sales contract, diagnostic report. Catalytic converter failure caused by chronic oil overfill (2+ quarts excess). Symptoms: - Loud whistling noise from exhaust - Severe power loss (unable to reach 60 mph) - Check engine light activation (codes P0011/P000A) Safety risks: 1. Stalling hazard at highway speeds 2. Fire risk from clogged converter 3. Engine seizure due to oil contamination Confirmed by Hyundai dealer (Evansville, IN) on [XXX] - ONE DAY AFTER PURCHASE. Defect existed pre-sale: - Dealer admitted exhaust issue in writing: "probably will be in the exhaust" - Formal demand letter documented hidden defects on 04/28/2025 - Vehicle returned to dealer on 04/24/2025 where it remains Evidence confirms fraud: - Diagnostic report shows pre-existing conditions - Dealer demanded $300 to release vehicle, then $900 for repairs - "As-is" claim invalid due to defect concealment Warning signs appeared immediately post-purchase. Vehicle available for inspection. Legal violations: - Clean Air Act (emissions warranty breach) - KRS 367.110 (deceptive acts) - FTC Used Car Rule (undisclosed defects) INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
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