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Old 07-28-2021, 02:56 PM   #1
mucleman21
 
Drives: Chevy Camaro zl1
Join Date: Jul 2021
Location: SC
Posts: 3
STFT BANK 1 AND STFT 2 ARE 10% OFF. What could be the cause

I'm lost and running out of troubleshooting options. According to my VCM Scanner logs, my STFT 1/2 are 10% apart. seems like I have a vacuum leak of some sort on my bank one.. I've done a leak test by spraying break cleaning along the base of the blower, valve cover, catch can tubes, exhaust manifolds, and pvc lines. I've also cleaned my O2 and wideband sensors, I have 0 leaks coming from my exhaust.
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Old 08-13-2021, 05:43 AM   #2
eLeSthree

 
Drives: 2011 Camaro SS 6sp
Join Date: Nov 2016
Location: Drivers Seat
Posts: 1,660
I cant help you with mechanical issues from here, but I was just curious why your LTFTs are not kicking in to help balance things out.
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