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need help..cammed 2012 camaro

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Old Jun 13, 2013 | 04:25 PM
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fastnnuffrt's Avatar
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Default need help..cammed 2012 camaro

vehicle:
2012 Camaro SS
231/242 cam
6l80e trans
3500 circle d stall
pacesetter longtubes
vvt,dod,afm delete

did all the mods last week and had it dyno tuned all good made 445/435.
yesterday the car started stuttering above 2500 rpmi
starts to sputter and A/F jumps around.
checked all grounds, installed new o2s, new plug wires, plugs have 250 miles on them have not changed them again yet.. its throwing a p219a code.
I just cant seem to put my finger on it. has any of yall had this problem or this code. any help or advice would be much appreciated,
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Old Jun 13, 2013 | 10:20 PM
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Check the O2 wiring on bank 1(left bank) between the pcm and where the O2s plug in.
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Old Jun 14, 2013 | 12:43 PM
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Changed plugs again and gapped them at .028 instead of .035 and cars running without a hiccup
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Old Jun 14, 2013 | 02:18 PM
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Good to hear it was something easy to fix and inexpensive!
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Old Jun 14, 2013 | 02:26 PM
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that's all.... why...did the gap make the dif ?
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Old Jun 14, 2013 | 03:29 PM
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Iv been around a few big boosted applications and had the problem with blowing spark out under boost. Obviously I'm not boosted but it acted exactly like that. I can't wrap my mind around why the gap made that difference but it did. I know a guy iv been talking too and he had the same issue in a n/a ls7 swap 5th gen also
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