Q: Hey whats going on guys i have 2003 4.2l 256ci f150 FX2 and I am getting a code for the Mass Air Flow sensor.

asked by on January 14, 2017

this code popped up but first let me tell you all that ive done to it so my truck started losing power under acceleration and said to replace the maf sensor so i did and i replace the middle part of the intake manifold then i replaced the pressure sensor then the iacv put on alluminum headers and then i replaced the o2 sensors up and downstream ON BANK 1 CUZ IT SAID IT WAS RUNNING LEAN ON THAT SIDE and my truck is still bogging out its not losing power under acceleration BUT its slow at gaining speed and it still making that bogging sound and theres a tremendous loss of horsepower. then this damn code popped up im running out of ideas and money HELP

My car has 120000 miles.
My car has an automatic transmission.

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