What makes your card read check gages and could it be the need of a tune up on 2004 GMC Envoy

my car has cut off when i turn the defrost on high and it reads car stop check gages. When i turn ac or defrost on the car runs like its in high idle, if i come to a stop sign or red light the car starts to idle and trys to go by itself auto zone code says rich in fuel

Asked by for the 2004 GMC Envoy
What gauges are not normal?