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Q: Engine misses up grades on 1997 GMC Suburban 2500

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
Changed fuel filter little better mechanic says problem is pump should i change it, no check engine lights either
(2) Answers
(2) Comments
i would look at basics first like plugs, wires, air filter. have a pressure test done on fuel pump before spending that money.

Roy
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