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  1. ATS Performance Mods Forum
    2013 2.0T. Tuned with down pipe cold air upgraded fuel lobe e85 catch can and cat back exhaust. After the cam install and switch to e85 ive been getting p0089 code. Fuel pressure sensor performance. Also under wide open throttle it feels the the turbo is ramping out then coming back in...
  2. 2008-2013 CTS General Discussion
    have a 2009 cts giving engine power reduced on the dash shaking and blowing white smoke out of the exhaust and a strong smell of gas throwing codes P0089 and P0087 along with multiple misfire codes I’m 90% sure it’s the fuel pump regulator just wondering if anyone has experience with this problem
  3. 2008-2013 CTS General Discussion
    At 144,413 miles, my car had a problem on my way home from work. It lost power and starting smelling real potent and running very rough. I checked codes while I was waiting for the tow and had code P0089, which as far as I can tell, relates to the high pressure fuel pump. I had had P0008...
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