O2 Sensor Open/Close Loop

[Jody Shapiro]

Tom Cloud wrote:
> >I think you'll be hard-pressed to find a production car with a EGO but 
> >no TWC, they go hand in hand.  It has next to nothing to do with fuel 
> >consumption since you want to go lean to improve this.
> >
> >Andrew Rabbitt
> 
> Okay, Andy, what's "TWC" ??

Could b wrong here, but I think he's refering to:

Three Way Catalyst (a catalytic converter that takes care of HC, NOx, and 
COx)

-Jody