2004 GMC Envoy Q&A

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

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 -
Answer 1
What gauges are not normal? -