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Mustang Forums
2011-2014 Mustangs
Engine/Tuning
Flashing CEL but no code stored.
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<blockquote data-quote="Bizarro" data-source="post: 15355661" data-attributes="member: 6165"><p>I've been doing some searching on this but haven't really come up with anything solid.</p><p></p><p>Car is a 11" GT with CAI, Steeda Catted X pipe, flows and running a Bama 93R tune.</p><p></p><p>For the first month or so after I loaded the tune, the car ran great although consuming more fuel than I would have suspected (no biggie, it's not a honda).</p><p></p><p>Then one day I was going through the gears pretty hard and I get a flashing CEL light and it starts chugging like it's dropped cylinders. I was not in a position to just shut it down, so I just kept rolling....after about 30 seconds, the CEL stopped flashing and the car started driving completely smooth.</p><p></p><p>Drove smooth for several weeks even under load.</p><p></p><p>A couple of week later....same thing. Flashing CEL light, chugging....then goes back to driving fine.</p><p>Now it's doing this consistently under load.</p><p></p><p>No error codes stored and when I sent the data logs to Bama to look at, they stated that the tuned looked good (now knocking on them here). From what I'm gathering, possible bad Coil Pack(s)?</p><p></p><p>On the threads I've read similar to this, there doesn't seem to be a clear diagnosis.</p><p></p><p>Any constructive feedback would be greatly appreciated.</p></blockquote><p></p>
[QUOTE="Bizarro, post: 15355661, member: 6165"] I've been doing some searching on this but haven't really come up with anything solid. Car is a 11" GT with CAI, Steeda Catted X pipe, flows and running a Bama 93R tune. For the first month or so after I loaded the tune, the car ran great although consuming more fuel than I would have suspected (no biggie, it's not a honda). Then one day I was going through the gears pretty hard and I get a flashing CEL light and it starts chugging like it's dropped cylinders. I was not in a position to just shut it down, so I just kept rolling....after about 30 seconds, the CEL stopped flashing and the car started driving completely smooth. Drove smooth for several weeks even under load. A couple of week later....same thing. Flashing CEL light, chugging....then goes back to driving fine. Now it's doing this consistently under load. No error codes stored and when I sent the data logs to Bama to look at, they stated that the tuned looked good (now knocking on them here). From what I'm gathering, possible bad Coil Pack(s)? On the threads I've read similar to this, there doesn't seem to be a clear diagnosis. Any constructive feedback would be greatly appreciated. [/QUOTE]
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2011-2014 Mustangs
Engine/Tuning
Flashing CEL but no code stored.
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