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Old 02-25-2020, 12:28 PM   #1
Keggy1970
 
Drives: 2010 Camaro LT
Join Date: Oct 2019
Location: Ct
Posts: 1
Misfire

I have a 2010 camaro 3.6. Swapped the engine when I got it because the old one had broken rockers so I bought a donor car with a seemingly good engine that started and ran fine. I have the new engine in and it starts and runs fine for about 30seconds, then it starts to idle rough, but when you step on the gas it seems to smooth. I am getting misfire codes on cylinders 2, 4 and 6. Also the scanner reads no injector command on those cylinders most of the time, but every so often the scanner shows the proper injector command and it runs fine. Not sure where to start.
Thanks
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Old 03-06-2020, 05:44 AM   #2
Vicster
1000hp is NEVER Enough!
 
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Drives: 13' ZL1
Join Date: Jan 2013
Location: Seattle
Posts: 660
Hello,

No one has chimed in yet. This should be listed under the general forums. 1. Check all your grounds.
2. Check all the electrical connectors on the fuel injecors and all other connectors.
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