Quote:
Originally Posted by BramptonE90
Which tune are you guys running when deleting the primary cat ? Are you guys able to pass emission with the Tune ?
Also which DTC Tune do you guys have
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Without primary CATs you will not pass an E-test because you will not get "readiness" condition and that's all they look for now.
You have a couple of options.
- there are some good SIMs out there now
With SIMs you leave the O2 monitoring ON in the tune and you're good to go.
(I'm going to test this method myself, I'll post the brand of SIM only after I know it works)
- get the O2 monitoring disabled in the tune.
But when it comes time for E-test, you need to reload the original tune and put the primary CATs back.
Then do a drive cycle to get readiness enabled.
Fabspeed also has some mini-CATs that screw into an O2 bung hole but I don't know how effective they are.
I would think they are best suited to getting a better reading when using Hi-flow CATs.... .....not sure