93 Lexus Sc400 run slow when driving(taking off) Pepboys said it was my Exhaust. on 1993 Lexus SC400

93 Lexus Sc400 run slow when driving(taking off) Pepboys said it was my Exhaust.

Asked by for the 1993 Lexus SC400
2 answers
could have a plugged catt but i would seek a 2nd diag they are pricey
DOES IT RUN NORMAL ON THE HIGHWAY? IF SO MAYBE IT'S STARTING OUT IN SECOND GEAR ? ANY MISFIRE OR OTHER ENGINE CODES CHECK ENGINE LIGHT ON? SUGGEST MORE QUALIFIED SHOP.Any overheating problems? Be careful.