Complaint 2212703
2017 TOYOTA HIGHLANDER • ENGINE AND ENGINE COOLING • incident Dec 1, 2025
- Complaint ID
- 2212703
- Make
- TOYOTA
- Model
- HIGHLANDER
- Model Year
- 2017
- Component
- ENGINE AND ENGINE COOLING
- Incident Date
- Dec 1, 2025
- Date Received
- Jun 3, 2026
- Data As Of
- Sep 1, 2026
Complaint Summary
ENGINE AND ENGINE COOLING
Owner Narrative
The contact owns a 2017 Toyota Highlander. The contact stated that while driving at an undisclosed speed, the check engine warning light illuminated. The vehicle was taken to the dealer, who determined that the spark plugs needed replaced. The spark plugs were replaced by an independent mechanic, but the failure recurred. The vehicle was taken back to the independent mechanic, who retrieved diagnostic trouble codes P11F0 (Air-Fuel Ratio Imbalance) and P0305 (Misfire In Cylinder Number 5). The mechanic cleaned the fuel injectors, but the failure persisted. The contact was informed that the fuel injectors needed to be replaced. The vehicle was taken to a second dealer, Toyota of Cedar Park (5600 183A Toll Rd, Leander, TX 78641), who determined that cylinder #5 needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 151,000.
Owner-submitted narrative on file with NHTSA. Complaint narratives are self-reported and have not been verified.