|
It's running rich. Replace the o2 sensor, it happens often and I just ran into the same problem (smell mostly) with my car before it got taken down last year. It was the o2 sensor going bad and the result was slightly rich. That made the cat stink and my HC was close to the inspection limit.
__________________
, Jon
Owner of a Red Sled.
If it\'s EFI I can tune it. Specialize in 82-95 GM (yes Lt1\'s)
\"If you can leave black marks on a straight from the time you exit a corner till the time you brake for the next turn.......Then, you have enough horsepower\" - Mark Donohue 
|