ZR-1 Net Registry Forums - View Single Post

Franke · 02-04-2015

I agree with Z51Jeff and Mike100. I had the NOX issue too. Everthing passed except for that on the IM240 test. I found out that I had a lazy O2 sensor on the left side by using my Mastertech 3100 to watch the voltage swing. Replaced the O2's and passed. The new results were about 40% lower. I used the Bosch ones.

02-04-2015	#21
Franke Join Date: May 2013 Location: Beaver, PA Posts: 515	Re: Just Failed CA Smog. Now what? I agree with Z51Jeff and Mike100. I had the NOX issue too. Everthing passed except for that on the IM240 test. I found out that I had a lazy O2 sensor on the left side by using my Mastertech 3100 to watch the voltage swing. Replaced the O2's and passed. The new results were about 40% lower. I used the Bosch ones. Last edited by Franke; 02-08-2015 at 05:15 PM.