by "Karl" <aufever@[EMAIL PROTECTED]
>
Feb 25, 2008 at 06:38 PM
You got your monies worth out of that cat. You need a new one.
Do NOT just weld in a tiny POS cheapo cat. Get a real one WITH the
pre-cat.
Like this one:
http://www.car-stuff.com/carparts/mercedesbenz300e19861989decmb2212c264172.html
"Tube Audio" <tubeaudio@[EMAIL PROTECTED]
> wrote in message
news:ZgKwj.9550$5K1.5098@[EMAIL PROTECTED]
> Hi
>
> I just had my emissions / smog check here in California and the NOx were
> really high. Very close to failing.
>
> I suspect a bad cat. I measure the temp of the cat with a fluke
infrared
> and measured 245C or 473F. The temperature was the same at the front,
> middle and back of the cat. The car was running at operating temp, I
did
> this after I came home from work and the water temp was near 100C
>
> Shouldn't the reading be closer to 426C or 800F?
>
> Ideas? It looks like the original cat , the car has 175,000 miles
>
>