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Mustang Forums
2011-2014 Mustangs
Supercharged Roush Mustang stutters, stalls right after shifting gears and giving it gas
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<blockquote data-quote="nuacr0s" data-source="post: 15546612" data-attributes="member: 175931"><p>I did not seafom it. Everyone says there is no way my car has carbon deposits to worry about. So now I am at the point where I am going to start investigating the last item on the check list before I take it back to the tuner: O2 sensors</p><p>The hesitation under boost right after I shift gears and give it gas could be because it is starving for fuel at that exact point. I have a stand alone AF sensor, but readings are normal there, very close to commanded ratio</p><p>Also I noticed car jerks at steady speeds. Signs of bad sensor? In this instance both short and long fuel trims were super positive high, double digits</p><p>I have aeroforce gauges that read sensor signals from the OB2 in millivolts</p><p>How do I test my o2 sensors to see if they are faulty? What else can I do to either confirm the culprit are the sensors or rule it out altogether?</p><p></p><p></p><p>Sent from my iPhone using the <a href="http://r.tapatalk.com/byo?rid=92568" target="_blank">svtperformance.com mobile app</a></p></blockquote><p></p>
[QUOTE="nuacr0s, post: 15546612, member: 175931"] I did not seafom it. Everyone says there is no way my car has carbon deposits to worry about. So now I am at the point where I am going to start investigating the last item on the check list before I take it back to the tuner: O2 sensors The hesitation under boost right after I shift gears and give it gas could be because it is starving for fuel at that exact point. I have a stand alone AF sensor, but readings are normal there, very close to commanded ratio Also I noticed car jerks at steady speeds. Signs of bad sensor? In this instance both short and long fuel trims were super positive high, double digits I have aeroforce gauges that read sensor signals from the OB2 in millivolts How do I test my o2 sensors to see if they are faulty? What else can I do to either confirm the culprit are the sensors or rule it out altogether? Sent from my iPhone using the [url=http://r.tapatalk.com/byo?rid=92568]svtperformance.com mobile app[/url] [/QUOTE]
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2011-2014 Mustangs
Supercharged Roush Mustang stutters, stalls right after shifting gears and giving it gas
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