Rough Idle fix for the 2012 GMC Sierra 1500! The GMC Sierra 1500 with 6.2L gas engine was acting up this week. These vehicles have been known to experience VVT issues and such. While driving home I noticed the engine running rough. Check engine light codes – P0011, P0101, P0068
Taking a look at the Rode Microphone Options and Testing Features & Functionality...