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P2227 code problem

Old 10-29-2018, 02:48 PM
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P2227 code problem

I know thereís tons of threads on this, but I havnt been able to find any like mine. I bought a 2009 cobalt ss turbo that has been tuned, when the engine light is on I get no reading on a baro on my RPD, I noticed in first gear itís boost limited but second will peak 21-22 psi and hold about 20, but 3,4,5 wouldnít hold more than 12psi. And I had that terrible flutter after I let off the gas lightly, so just to see what would happen I cleared the engine code (p2227) and it builds full boost in every gear and no flutter, rpd also reads. Iím not sure if it good to just keep clearing the code? The last owner tried to have it fixed but Iím not sure what to do
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Old 11-08-2018, 08:48 PM
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If ur getting a baro code....either bad tune or ur ecu needs replacing since baro sensor is built into ecu
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Old 11-24-2018, 07:00 PM
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[QUOTE=tomj77;7702154]If ur getting a baro code....either bad tune or ur ecu needs replacing since baro sensor is built into ecu[/QUOTE/
do you think gms1 sensors would make a difference? I thought the baro sensors were the map sensors? Have I been mis informed? My baro sensor works when the engine light is cleared since I do have an accurate baro reading on my rpd so could it just be the tune?
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Old 01-08-2019, 06:39 PM
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I figured out what it was, some bone head before me put stock maps on a gms1 or 2 tune, going to get a custom tune for the stock sensors and that should fix it!
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