Hey guys-

I failed my emissions test last friday by alot!
Every category was off by almost x2 in every category

off the top of my head
arizona:

Nox i got 2.9 legal 1.5
co2 i got 19 legal 12

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I took it to the shop and they said i need a new cat and new o2's so i guess i can get this done myself. currently im running a randomtech but i beilieve right now it does not work.

anyone know where i can get a brand new cat for a good price ? (random tech or stock).

i already ordered some o2 sensors from jason cromer for 34 buxz ?


Thanks
93z

 

if NOx are high, id also be looking for a bad EGR valve or a dangeriously lean motor.

 

how do u check egr for bad valves ?

thanks 93z

 

you can hold the pump thing, and if your engine doesnt run bad then the egr is bad... or at least that worked on my Van.

 

Check the EGR but new cats cover a multitude of problems for most cars.