2000 Chevrolet Suburban 1500 Q&A

2000 Chevrolet Suburban 1500 Question: After a full tune up and starter change my check engine light stays on

It will not go off prior to maintenance it can on.. will the fuses make it stay on if mechanic had switched thw ones under the hood (the two largest ones). -
Answer 1
scan codes and post so we can adv -