2022 Kia Niro Engine Problems

“Vehicle with code p0420, Kia dealership technician say: the problem was the spark, proceeded to change it and clear code. Check engine turn on again, the same person say: it’s a ring piston, the car was leaked engine oil to exhaust and he see blue smoke, no evidence for part of dealership and dealership never mention the car was consuming excessive engine oil. I mentioned the law of emission to change the catalyst and the boss say: I can’t change it but the problem will be come but never do anything to change it. …”

“Kia issued a recall warning dated September 29, 2023 regarding a fire hazard in our car. The recall stated that remedy was not available. After two months of no remedy from Kia and failure of Kia's Customer Care Center to respond to our requests for help, we went to the Kia dealer in Van Nuys, California to inspect the car to ascertain if it was still safe. The dealer refused to inspect or take any remedial action. To date there has been nothing from Kia to correct the problem. …”

“Problem 1, Check Engine Light: I purchased the used car on Jan 9 2025, around 23,400 miles from Kia Dealership, capitol Expy in San Jose. Today 05/27/2026, the odometer reads 26, 407 miles. My car is used only twice a week - 20 miles on Fridays, 12 miles on Wednesdays. My car has less than minimum wear and tear and is barely used. I completed my 25K service after Thanksgiving in Nov 2025. I have not even driven 1500 miles and the car is back in for service. Prior to this, within a month of purchasing my car Kia replaced the battery in my car. …”

“2022 Kia Niro EX Premium Hybrid was sold as Kia Certified Pre-Owned on August 12 2026 with an active check engine light present at time of purchase. Dealer Calavan Kia West in Lithia Springs GA represented the vehicle as passing a 165-point CPO inspection. Dealer attributed the light to a gas cap issue and cleared the code to complete the sale. Six days later approximately August 18 2026 the check engine light returned. Dealer attempted one repair which failed. As of August 25 2026 the defect remains active and undiagnosed. …”