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Q: no catalytic convertor on 1988 blazer 4.3. what can happen to drivablity/ no codes . on 1990 Chevrolet S10 Blazer

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
could a bad coolant temp sensor, egr or map sensor cause lack of power, slow pickup of speed when I slowing let off on the pedal. I get a pop through the TBI when I gun it and want to stall. and also been wanting to stall and rough idling. please,want some one answer me.
No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
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Could be "D" all the above. Needs to be looked at in shop and monitor operation of components and see if can duplicate your problem. Since has been messed with, cat removed, then anything is possible.
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