Quote:
Originally Posted by carguy19
Is it safe to "fool" the 02 sensor?
They are pretty important to get the air fuel ratio correct. I don't know if I'd want to mess with that personally. Thats just me.
I think you can fix this with a flash or a JB4 properly and keep the o2 sensors working the way they are designed.
Good luck with it either way you decide to do it.
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JB4 doesn't offer that capability but a tune def can.
Someone can correct me if I'm wrong but the sensor before the cat is for a/f ratio regulation; the sensor after/in the cat is for emissions.
Fixing aftermarket (catted or catless) downpipe issues with a tune is just turning "off" the rear sensor