Toyota was the brand least likely to need check engine repairs over the past year, edging out Acura and Hyundai, which rank No. 2 and No. 3 respectively. Mazda, which ranked second last year, is now the brand with the lowest average repair cost ($286), followed by Kia ($320), Dodge ($326) and Hyundai ($328). Honda and Toyota are the only two brands to rank in the top 10 on both lists. The 2016 Audi Q5 is least likely to need a check engine light-related repair. The 2017 Hyundai Tucson costs the least on average ($67) to repair when the light is on, with a loose gas cap or an improperly installed intake air duct the two most common reasons the Tucson’s check engine light illuminates. CarMD.com Corp. has released its 2018 CarMD Vehicle Health Index Make and Model Reliability Rankings.. Published annually since 2011, this Index analyzes check engine repairs and […]