Hi everyone,

Just got bad news. I took my Jeep for emission and failed. The inspection paper states that the NOX failed at 15rpm and 25rpm.

The reading for the 15rpm is: 2104 (standard is: 1046)
The reading for the 25rpm is: 1757 (standard is: 956)

I was told that it could be the Catalytic Converter. I am not sure about how the catalytic converter works, but I know last year I passed emission without any problems.

Couple thing I should mention:
- The Jeep is about 150K
- I added Lucas fuel cleaner prior to inspection (not very wise of me)
- For about six months now the Jeep seem to consume more coolant.
- Inspection was done in Texas
- The Jeep passed all other tests

Any help or advice would be greatly appreciated. I have 15 days to fix the problem. I have no idea on how to test the problem, but if anybody had the same problem and was able to fix it I would like to know how.

Thank you for your help

-J

02 sensor or your coverter or smog pump..

02 sensor or your coverter or smog pump..


Scrapper1 can you please elaborate. I have no idea what you mean by that.

Thank you,

-J

those are the emisssion causes. so it has to be 02 sensor or catalatic converter failure,or smog pump. thats the best i can exsplain to you.