MX-3.com

Ok so I have a link to the manual here

http://www.mx-3.com/95manual/F1/F1-127.gif

the first one is called the "Warm Up 3-way Cat" and the next one is called just a "3-way cat"

Phil, they both pretty much go bad after about 120k, and a new cat is always better than an old one. If you're just ...

Sure sounds like it... There is one way to check for sure... When your car is cold in the morning try to put it on a jack or just a 6 inch ramp to get you some room to go under neath the front of the car... when you're under there (be careful that the cat is not hot) give a few knocks to the 2nd cat ...

Thanks for your reply
That for sure is one of the problems, but I should still be able to pass...


The question I have now is

"Could it be that my new CAT does not react VOC's (hydrocarbons) and only reacts CO's and NO's since it was a cheap generic cat 'Walker Economy'?"

because my CO was ...

Ok so I changed the Universal Cat to a generic one and I'm pissed cause I failed again.

It only helped my NO and CO which were passing before now my HC is still


_____MAX AVE Measured (Parts Per Million)
15M/hr 92_ 21_ 92
25M/hr 57_ 13_ 110

Any ideas?

Yo!

From what I hear there are 2 cats on the MX-3's One custom one right after then engine and another universal one before the muffler. The universal one on mine was cracked open and rattling at 110K and I bought a cheap one for 52$ ship included from parts america and I had a muffler shop put it ...

Just took out the heated o2 sensor.... any idea how to clean it?

So I CA smogged my salvaged 120,000 AT 95' MX-3 and the result was the following


_____MAX AVE Measured (Parts Per Million)
15M/hr 92_ 21_ 95
25M/hr 57_ 13_ 75

So I shelled out around 450$ on a complete tune up, oil change and put in GUARANTEED TO PASS to clean the injection and the results was ...