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Old 05-18-2013, 10:37 PM   #1
gus_vb
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Default Error Code P219B

My car is 2012 V6 and has installed BBK LT with Catted Shorty X Pipe since March. 3 days ago I was driving to work when suddenly the CEL Light turned on, so I took my car to the dealership today and they told me that the error codes were p219b (Air/Fuel mixture issue bank 2), p0300 and p0316 (ignition misfire). The dealership told me the error codes were thrown due to the aftermarket parts, I am asumming that the fact that I am getting a wrong reading from the O2 sensor is making the engine run lean and therefore the misfire, is there anything I can do? Are my O2 sensors messed up? Or is this just due to the High Flow Cats and I need a Tune to fix this?

Thanks,
Gus
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Old 05-19-2013, 12:55 PM   #2
2005Redfire6
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Originally Posted by gus_vb View Post
My car is 2012 V6 and has installed BBK LT with Catted Shorty X Pipe since March. 3 days ago I was driving to work when suddenly the CEL Light turned on, so I took my car to the dealership today and they told me that the error codes were p219b (Air/Fuel mixture issue bank 2), p0300 and p0316 (ignition misfire). The dealership told me the error codes were thrown due to the aftermarket parts, I am asumming that the fact that I am getting a wrong reading from the O2 sensor is making the engine run lean and therefore the misfire, is there anything I can do? Are my O2 sensors messed up? Or is this just due to the High Flow Cats and I need a Tune to fix this?

Thanks,
Gus
Are those the only mods you have? I am not sure about the 3.7 or if it matters N/A. But I know my tuner told me when I put long tubes and high flows on my 4.0 that it would lean it out a bit.
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Old 05-20-2013, 01:13 AM   #3
gus_vb
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Are those the only mods you have? I am not sure about the 3.7 or if it matters N/A. But I know my tuner told me when I put long tubes and high flows on my 4.0 that it would lean it out a bit.
Yes that is the only mod I have.
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Old 05-20-2013, 09:11 AM   #4
2005Redfire6
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You may just need a tune, I would call a performance shop around your area if possible specifically a Mustang shop and get their input. Or, go ahead and get a tune if you can swing it and see if that eliminates it.
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