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Discussion Starter #1
was wondering whats the best thing to do with my o2 sensors,, my mechanic and i are putting on my pypes o/r h pipe today,,,,im certain my engine light will come on w/out them, i have a 09 with 400 miles on it,,,thanx so much for your replies,,,sully..god bless yas.:bigthumbsup
 

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You're going to have to turn the rear 02 sensors OFF in the tune. Your handheld tuner can not do this for you.
 

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Kurgan is right you must have the fwd O2s and need to trun off the rears. You will need that done in your tune.
 

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Discussion Starter #4
i have no tuner yet, is this something my mechanic can do? the first set is in the header right, so they wont be messed with?
 

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i have no tuner yet, is this something my mechanic can do? the first set is in the header right, so they wont be messed with?
You'd have to ask your mechanic about that. He'd need some tuning software that can upload a new tune via your OBDII port. Correct on the second sentence.
 

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Discussion Starter #6
great thanx,,, so if i cant turn em off right now will it hurt anything or the performance,,,by having the engine light on??? thanx sully
 

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Doubtful if your mechanic is going to have the capability to turn those off unless he's also a tuner.
 
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