One problem related to catalytic convertor has been reported for the 2017 Hyundai Santa Fe. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2017 Hyundai Santa Fe based on all problems reported for the 2017 Santa Fe.
The contact owned a 2016 Hyundai Santa Fe. The contact stated while driving 50 mph, he heard an abnormal knocking sound coming from the engine compartment. No warning lights were illuminated. The vehicle was towed to the dealer, who determined that there was a misfire in cylinder #3, and the catalytic convertor system efficiency was below threshold. The vehicle was not repaired. The manufacturer was notified of the failure but referred the contact to the NHTSA hotline for assistance. The failure mileage was 94,000. The VIN was not available.