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

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

by in Norwood, VA on January 23, 2012
1 answer
ANSWER by on January 23, 2012
CK FOR PLUGGED FUEL FILTER OR RESTRICTED EXHAUST. (POSS.CATALITIC CONVERTER)