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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="Mojo88" data-source="post: 15628604" data-attributes="member: 184279"><p>Sorry to reactivate 'old' thread, but I am desperate. I am having this issue on 2010 Roush GT that I recently bought. I disconnected the battery to do some work last week, and then failed emissions a couple of days ago due to monitors (four of them) not being reset. I have driven over 100 miles in last 24 hours, going through all kinds of cycling that I found in various places online, but no joy. Four monitors still not active.</p><p></p><p>I have 30 days to get the car 'repaired', but am very worried about the tune that is in the vehicle. I do not know if the 'problem' is in the tune (it's not the original Roush tune), or if it's because I disconnected the battery.</p><p></p><p>Can anyone offer some guidance at all? Should I try a full week of driving through more cycles, and then panic? Or should I panic now, LOL?</p><p></p><p>Man, this stuff was a whole lot easier before all the computerized gadgetry.</p><p></p><p>Please help! <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite9" alt=":eek:" title="Eek! :eek:" loading="lazy" data-shortname=":eek:" /></p></blockquote><p></p>
[QUOTE="Mojo88, post: 15628604, member: 184279"] Sorry to reactivate 'old' thread, but I am desperate. I am having this issue on 2010 Roush GT that I recently bought. I disconnected the battery to do some work last week, and then failed emissions a couple of days ago due to monitors (four of them) not being reset. I have driven over 100 miles in last 24 hours, going through all kinds of cycling that I found in various places online, but no joy. Four monitors still not active. I have 30 days to get the car 'repaired', but am very worried about the tune that is in the vehicle. I do not know if the 'problem' is in the tune (it's not the original Roush tune), or if it's because I disconnected the battery. Can anyone offer some guidance at all? Should I try a full week of driving through more cycles, and then panic? Or should I panic now, LOL? Man, this stuff was a whole lot easier before all the computerized gadgetry. Please help! :eek: [/QUOTE]
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2011-2014 Mustangs
Engine/Tuning
2013 5.0 GT will not reset O2/Catalyst Emission Monitors
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