There is a loud ticking noise coming from the engine. A mechanic said its a rocket arm failure. He said there are problems with them and were recalled in 2014. After researching the problem, it appears that the problem extends past the 2014 model year. You tube has hundreds of repair videos for this engine. The mechanic said that the problem will only get worse and can cause the engine to stall and miss and it will eventually freeze up causing a possible accident. Please investigate this. I have maintained this vehicle well with oil changes every 3000 miles. Thank you.