Engine had lots of power and ran well new till it got about 300 miles and then it started "fishing" GM's words. they replaced cam censors. Then it ran good for awhile and then started again. The more miles I put on it the worse it is getting. GM won't fix
† Edmunds.com received the highest numerical score in the proprietary J.D. Power 2014 Third-Party Automotive Website Evaluation Study℠. Results based on responses from 3,381 responses, measuring 14 companies and measures third-party automotive website usefulness among new and used vehicle shoppers. Proprietary study results are based on experiences and perceptions of owners surveyed from January 2014. Your experiences may vary. Visit jdpower.com.