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Mustang Forums
2011-2014 Mustangs
Engine/Tuning
2013 5.0 GT will not reset O2/Catalyst Emission Monitors
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<blockquote data-quote="DD2000GT" data-source="post: 15365944" data-attributes="member: 4538"><p>Yep - I always intended to tune it since I bought it and have been researching which tuner I want to go with - but you DO NOT want to throw a tune on it "thinking" it is stock when in fact there is another tune already there. A good way to really mess up your PCM. At least now, if I am correct, I have the stock tune to save and restore if I ever sell or take back to the dealer. I will attempt AGAIN to get the dealer to tell me definitively what they did. Not sure why all the secrecy?</p></blockquote><p></p>
[QUOTE="DD2000GT, post: 15365944, member: 4538"] Yep - I always intended to tune it since I bought it and have been researching which tuner I want to go with - but you DO NOT want to throw a tune on it "thinking" it is stock when in fact there is another tune already there. A good way to really mess up your PCM. At least now, if I am correct, I have the stock tune to save and restore if I ever sell or take back to the dealer. I will attempt AGAIN to get the dealer to tell me definitively what they did. Not sure why all the secrecy? [/QUOTE]
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Mustang Forums
2011-2014 Mustangs
Engine/Tuning
2013 5.0 GT will not reset O2/Catalyst Emission Monitors
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