Thread: 3FE Pro?
View Single Post
Old 08-20-2010, 03:09 PM
Chris's Avatar
Chris Chris is offline
Hard Core 4+
Join Date: Mar 2006
Location: Front Range
Posts: 992
Default 3FE Pro?

After failing emissions 3 times due to high NOx I'm in need of expert help in diagnosing why. The limit is 5.0 and I've gotten 7.5 the first time, 8.1 after tuning it up & today 11.2 which shows I'm moving in the wrong direction.

I did find a crack in the intake 'accordian' and thought I sealed it well but apparently not which would account for some of the increase but even when I replace that I'll probably still be high since I started out high. I'm guessing I split that when I tuned it and put it back on.

Anyone dealt with this or knows the emissions well that can find what's going on?


2005 4Runner Ltd
Living in the Slow Lane
Reply With Quote