08-10 SS Turbocharged General Discussion Discuss the 2008 - 2009 Chevy Cobalt SS Turbocharged. On sale since the second quarter of 2008.

Code P2187

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Old Aug 29, 2010 | 10:08 PM
  #1  
Baron7700's Avatar
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Code P2187

P2187

Something about my bank running lean at idle.


Im assuming it has something to do with the DP i have on that isnt tuned for yet. Correct?
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Old Aug 29, 2010 | 10:27 PM
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RYRO14's Avatar
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From: Lithia, FL
Yeah its just a downpipe code not a big deal.
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Old Aug 29, 2010 | 11:00 PM
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i got this after i drove from NY to KY and installing meth. still havent fixed it...fml
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Old Aug 30, 2010 | 12:13 AM
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ya i just had it cleared, it was limiting my boost to 12, and i was on a two hour drive each way so that sucked.
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Old Jun 25, 2017 | 03:23 PM
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From: Tulsa
Your ever figure this out?

Originally Posted by Baron7700
P2187

Something about my bank running lean at idle.


Im assuming it has something to do with the DP i have on that isnt tuned for yet. Correct?

I have this code and p013a. It's not making more then 10lbs of boost and if I take off gently it will jerk a couple times like a miss (not drivetrain lash either) then it seems to run normal besides not making enough boost. Idk what the deal is
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