Solutions Central Solutions Central › Tag: 2012 Kia Optima Hybrid 2.4l Knock Sensor will this work to clean carbonFilter:AllUnansweredSort byViewsAnswersVotesKia Optima 2012 Hybrid 2.4l 180,000 mileschemtooler answered 1 year ago • Fuel Additives / Treatments > Gasoline | Maintenance463 views1 answers0 votes