Northstar 4.6, unburnt gas smell from exhaust pipes
 

Hello,

My car is Eldorado 1993 4.6l

starts well,
Lot of smell when engine is warm

What Could be next Steps ?

I have replaced following parts during the last years

Nozzles
Fuel filter
MAP sensor
ICM
idle speed control
spark plugs and wires
fuel regulator
oxygen sensors
egr valve
Oil and filter


please let me know, thanks