For More Info visit us at: http://1aau.to/h/cAI/ These are the top check engine trouble codes for your 2007 to 2014 GMC Sierra 3500! In this video, Andy explains the causes of the most common trouble codes, and gives you tips on how to fix them if they happen on your Sierra! Check out this playlist for more great tips from Andy and the other 1A Auto mechanics!
http://www.youtube.com/playlist?list=PL37d7oWG6wDDqLG8BNFCEkbXEomZk1ITM 0:00 Top Engine Trouble Codes GMC Sierra 3500 HD 2007-14
0:17 P0121 Throttle Body
1:11 P0171 & P0174 Mass Airflow Sensor (MAF)
1:58 P0325 Knock Sensors
2:30 SUBSCRIBE! | Shop 1AAuto.com Link Below! For More Info visit us at http://1aau.to/h/cAI/ ⚠ DISCLAIMER:
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