my 94 chevy blazer was running fine then sat for six months now runs rough on 1994 Chevrolet S10 Blazer

any solutions that i can check i put high grade gas and try driving it but stills run a little rough

Asked by for the 1994 Chevrolet S10 Blazer
ck for misfires to start with as plugs maybe fouled due to veh being in storage or critters have eatin the plug wires
thanks