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hot or cold hold steady speed it will miss serves light comes on then runs fine on 1992 Chevrolet S10

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
hot or cold it will miss only at steady speed getting up to speed is slugish replaced; map sensor off of another vehical they look identical and fule filter plugs and wires new the serves engine light will come on it will run fine
(1) Answer
Find a GM specialist with a scanner to find out what the check engine light is trying to tell you. There are diagnostic codes available when the light's on which can be accessed using a scanner.
If you want to find a specialist, here's a directory link for you:
https://repairpal.com/directory?address=23833&car_brand_names=Chevrolet