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Old 07-13-2018, 03:42 PM   #1
Clyde504's Avatar
Drives: 2015 1SS LS3
Join Date: Jun 2018
Location: MN
Posts: 1
O2 CEL keeps popping

Anyone had problems with their o2 sensors repeatedly throwing a code? Just had it in at the shop yesterday and they replaced one. Not even 50 miles later it's back on. Only mods I have done are a Cold air inductions CAI, stage 2 Bo White TB, phastek scoop kit and a Borla cat-back system. Is she breathing to well for ththe o2's? Thanks guys!
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Old 07-13-2018, 04:36 PM   #2

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Drives: 2011 2SS/RS M6
Join Date: Oct 2015
Location: Utah
Posts: 1,844
Almost impossible to diagnose based on "threw a code" we need the dtc to help figure it out. Also, no such thing as "breathing too well" for an O2.
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Old 07-13-2018, 06:38 PM   #3

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Drives: 73 VETTE ,, 05 2500hd diesel,14 1LE
Join Date: Feb 2014
Location: The Left lane PHOENIX AZ
Posts: 2,386
O2 sensors measure the amount of oxygen in the exhaust . Scan it and see what the code is , your car has 2 upstream O2's and 2 down stream O2's . Unplug each one and check to see if you have a bad connection and plug them back in . Your mods should not have caused the problem .
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