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Q: 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!
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Did the 'mass air flow' code return?What is the specific code(P0XXX?).Is the transmission changing gears properly(assuming it's automatic)?
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