Fuel injector working, buts hesitation when excelleration after stopping on 1997 Chevrolet Blazer

cost of estimated repair quoted $ fuel injector part $150-$275, labor $160, $80.per hour (2 hrs.)

Asked by for the 1997 Chevrolet Blazer
If you are replacing an injector assy on a Vortec, you need to spend more than that. It is about a 2 hour job but a good quality injector retails at over 300$ and a quality gasket set is around 70$.