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Q: low idle,engine surge@cruze speed, engine dies@red lite or stop sign on 1993 GMC Sonoma

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
going down road @55,60 mph starts missing will not throttle unless u mash to floor takes out good when back to cruze speed no power again. will run great @ full throttle
(1) Answer
I'd look for a problem with the EGR system, the airflow sensor (MAF), and the intake ducting for air leaks. There isn't much info in your question and I don't have much specific advice for you, I recommend you find a GM specialist to help you.
If you want to find a specialist, here's a directory link for you:
https://repairpal.com/directory?address=37062&car_brand_names=GMC