Is it for sure the Catalytic Converter?

for those who say 02 sensor.....is there anyway to check it before I
spend $70 on it?

mr nobody wrote:
> In article >, Dave says...
> >
> >"G-Ram" > wrote:
> >
> >>I have had an issue with my 95 Jetta that is quite honestly driving me
> >>crazy. I will give you as much history as possible and god bless anyone
> >>that can really help me.
> >>
> > fix...but after the assistance I have got from them I am
> >>going to take my chances on the net.
> >
> >>I bought the car a few years ago. It ran fine when I bought it. When it
> >>is started, about 20 or so minutes in I will see the engine light come
> >>on. It has done this since day one. Gradually over time I have noticed
> >>
> >Sounds like what happened to me and it was the 02 sensor.
>
> I am simply amazed that you are the first person to mention the most obvious
> culprit.... at least to check or replace 1st.