1997 Ford Explorer Q&A

1997 Ford Explorer Question: wont acc past 20 or 30 what the heck is wrong pls help

we have changed the ignition coil it bogs down and sputters on us it work for about a day when we replaced the ignition coil but no its the same again can someone please give us some advice -
Answer 1
CK FOR PLUGGED FUEL FILTER OR RESTRICTED EXHAUST. (POSS.CATALITIC CONVERTER) -