clogged injecter on 1994 Buick Regal

couldyou tell me how to find a clogged injector & whats the the best way to fix it

Asked by for the 1994 Buick Regal
Are you sure that it's a clogged injector? You could try a fuel system additive, like Chevron Techron concentrate--they also sell a product that is specifically for fuel injection cleaning, but that is generally administered by a professional.