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Loss of Power - not the cats
I have a 2003 ford expedition 4.6 2wd with 167K miles. A spark plug blew out of the head so had my mechanic repair - installed a helicoil and replaced all the plugs and the one ignition coil that was on plug that blew. I told them it seemed like the truck had less power than usual when I pulled...- 03EXp
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- Forum: Engine & Performance
