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Old 05-04-2012, 05:20 PM   #1
Drives: 2011 Camaro 2LT
Join Date: May 2012
Location: Edmonton AB Canada
Posts: 52
2LT misfire

I have a 2011 2LT camaro. It's been the 8th or 9th time it got misfire. The car has no aftermarket parts. Error code is P0301 every time. The dealership changed all spark plugs(they are rich fouled, I think it's not normal considering the car only done 16000km) and injector(looks clean) in cylinder 1. I call GM Canada for help. They ask me to go to the dealership again.

Condition when misfire occur: I am in 6th gear, 100km/h, 2000rpm, as soon as I take my foot off the throttle, car still in 6th gear, misfire happen.

I ask the technician if he see a lot deposit on the intake vale. He said is fairly clean.

I'm not sure what they can do to fix it. Any suggestions? Go to a different dealership? They run the same test anyway.
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Old 05-04-2012, 05:27 PM   #2
67 GTO
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Drives: 2010 Camaro 2LT Rally Yellow
Join Date: May 2009
Location: SE Pa.
Posts: 1,877
Maybe this will help with understanding the problem.

Hope your dealer figures it out.

GMPP exhaust/JBA shorties/Vararam CAI/VMax TB/SLP Pulley/VMax IM isolator/MACE Ported IM +Plenum Spacer/IPF Tuned
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misfire, engine, v6, 2lt

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