hmm...when our maf went..had no balls uphill..lucky if we got 25mph out of it...when we disconnected maf....we got our oomph back and now it flies up hills!! if your is no change whatso ever...then i dont know...checked pollen filters etcc???? car might be in limp mode actually. ah yours is auto....dont know bout them as ours is manual...the othres will be along later and give you more advice, im still learning the mechanics of our car. ;)