Kia Optima 2012 Hybrid 2.4l 180,000 miles July 9, 2023 Solutions Central › Category: Fuel Additives / Treatments > Gasoline | Maintenance › Kia Optima 2012 Hybrid 2.4l 180,000 miles 0 Vote Up Vote Down Michael Jordan asked 10 months ago 2012 Kia Optima Hybrid 2.4l Knock Sensor will this work to clean carbon 1 Answers 0 Vote Up Vote Down chemtooler Staff answered 10 months ago Can you tell us what product you are referring to? Please login or Register to submit your answer Username or Email Address Password Remember Me