Quote:
Originally Posted by mulekr1
I'm in NY, all they do is hook up OBD2 to read for CEL when I buy a OFT and turn off the p0420 code from the OFH, does that make it "not ready" or does that turn it off? If it says not ready i'd never pass and thats worrying.
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Quote:
Originally Posted by Teseo
As far i know (on my experience) the stage 2 tune disable the the code p0420.
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Tunes for catless headers will disable the P0420 cel code for cat efficiency and you wont trigger cel light.
However no tune system i am aware of even ecutek, will bypass or set the readyness checks to good, this is a separate piece of code in ecu
So even though you wont get cel the readyness check for front cat will still show fail