One problem related to engine noise has been reported for the 2014 Chevrolet Spark. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2014 Chevrolet Spark based on all problems reported for the 2014 Spark.
Car accelerates on its own when braking which is highly dangerous in traffic as car jumps forward when it does this. Continuously runs at over 4000rpm. Car stalls when accelerating making pulling out into traffic or coming off an exit ramp quite difficult and will rev on its own while driving. Continuous engine noise as if car is being redlined. Car also has difficulty going in reverse. Emergency brake does not hold properly. Car will roll backward when in drive and on a small incline. Electrical issues with car where stereo will spontaneously change stations and the dash lights will flicker. Have made complaints to gm continuously and had in dealership more than 11 times for repair of issue. Car was bought in Feb 2015, first taken in to dealership for issue in Feb 2015. It is now Feb 2016 and gm refusing to address issue. Car falls under lemon law and they are stalling to wait out time frame.