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Mustang Forums
2011-2014 Mustangs
Engine/Tuning
Hesitation/Lean spike at 1500 RPM
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<blockquote data-quote="blksnke2" data-source="post: 14272617" data-attributes="member: 85870"><p>Hi everyone. I have a 13 GT automatic with a Procharger setup, and I love it except for one little issue. In any gear, at light throttle, at approximately 1200-1400 RPM (does it at every slow takeoff and like when cruising slow in a parking lot, etc.), the car hesitates a little bit and the Air/Fuel Ratio on my gauge spikes to the 15.0-15.6 range, then when I pass that range, it drops back down to where it should be and it drives like normal. I've never seen this before, and was wondering if anyone has experienced this or knew what might be wrong in my tune. Thanks in advance for any help I can get!!!</p></blockquote><p></p>
[QUOTE="blksnke2, post: 14272617, member: 85870"] Hi everyone. I have a 13 GT automatic with a Procharger setup, and I love it except for one little issue. In any gear, at light throttle, at approximately 1200-1400 RPM (does it at every slow takeoff and like when cruising slow in a parking lot, etc.), the car hesitates a little bit and the Air/Fuel Ratio on my gauge spikes to the 15.0-15.6 range, then when I pass that range, it drops back down to where it should be and it drives like normal. I've never seen this before, and was wondering if anyone has experienced this or knew what might be wrong in my tune. Thanks in advance for any help I can get!!! [/QUOTE]
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2011-2014 Mustangs
Engine/Tuning
Hesitation/Lean spike at 1500 RPM
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