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Q: idle surges hi and then then almost stalls and then surges hi and continues on 1991 GMC Vandura 2500

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
I have given her a full tune up now it runs but besides the surging idle witch was the start of the problme but also when you give her gas it tryes to stall untill you get to hi rpms
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