1996 mercury villager ls running rough
 

hello i have a 96 mercury villager ls 3.0 v6 w 189k
it has a new cap and dist.plugs and wires
whats its doing is running very rough stall sometimes gets worst the warmer it gets no codes to run no check engine light you can smell very strong fuel/exhaust smell and smoke alittle from the tail pipe if anyone had this problem and fixed or
know whats wrong with it im all ears thanks you

Change the MAF and you'll be happy.