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Old 06-14-2021, 04:31 PM   #1
DominikS
 
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Drives: 2018 2.0T Camaro
Join Date: Jun 2021
Location: ND
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Exclamation 2.0T Misfire at idle

Hello all, Ive got a 2018 2.0T and Im misfiring while idle and idle only. The only other bit of info ive got to help is on my WOT log I had a cloud of black smoke come out of my exhaust. Ive changed my plugs sprayed 1 can of CRC GDI cleaner through the vacuum line. And ive done 1 bottle of lucas oil fuel injector cleaner. Stumped as to where to go next. Car is stage 1+ a recirculation valve, so I would assume getting it fixed under powertrain warranty is out of the question. Any suggestions or advice would be greatly appreciated.
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Old 11-10-2021, 10:20 AM   #2
Vodkapocalypse
 
Drives: Chevy Camaro
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What kind of misfire? Does your tach needle fluctuate? Did you find a solution?

My 2019 2.0 seems like it wants to conk out at idle. Tach fluctuates, oil pressure also fluctuates. It has conked all the way out twice. It seems worse if I have to brake hard. Also, this only seems to happen when it is cold or cooler temps outside.
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Old 11-10-2021, 10:29 AM   #3
ctrlz


 
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Quote:
Originally Posted by DominikS View Post
I'm misfiring while idle and idle only.
Any suggestions or advice would be greatly appreciated.
Misfire should log a code telling you which cylinder is misfiring. repeated misfires will set a CEL.
Hook up a scan tool and see what's going on. Also check fuel trims.
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Old 11-10-2021, 12:10 PM   #4
SomeGeoffGuy

 
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Drives: 2023 2SS Convertible
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Quote:
Originally Posted by DominikS View Post
Car is stage 1+ a recirculation valve
Are you running the factory intake? If not, i would try it unless you have an intake specific tune.

-Geoff
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