Mine acts if i have no power when i press pedal down. I can slowly speed.
on 1999 Toyota 4Runner

i have replaced the cat. converter up front, fuel filter, plugs, wires & more. I even had it in the shop for 2 days & still cant find the problem!?? it shows a code for the sir flow mass sensor but when it was replaced it is still doing the same..NO power!

Asked by for the 1999 Toyota 4Runner
Did the 'mass air flow' code return?What is the specific code(P0XXX?).Is the transmission changing gears properly(assuming it's automatic)?
2 answers
you mean mass air flow. poss timing belt jumped a tooth. have timing ck'd