One problem related to loud engine noise has been reported for the 2011 Kia Motor Forte. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2011 Kia Motor Forte based on all problems reported for the 2011 Forte.
There is a constant knocking coming from the engine and loud noise when accelerating the engine. The check engine light is also turning on and off. 2012-2015 kia Forte koups have recently been recalled, but not the 2011 model. This car has the same theta 2 engine and the same problems. The engine is shot and will not last much longer. I sincerely hope the recall is extended to the 2011 model kia Forte koup.