In this video I have a look at a customers GMC Envoy XL with the big 4.2 that came in with a complaint of, "MIL on and hard to start after it is warmed up."
A quick test drive leads us right to the answer. It's looking like a fuel delivery issue but we need to drop the tank and run a few more checks.
Enjoy!

Part II:    • GMC Envoy: Hard Start When Hot & Low ...  


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Due to factors beyond the control of South Main Auto Repair, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. South Main Auto Repair assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. South Main Auto Repair recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of South Main Auto Repair, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained.