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CEL after headers install and tune
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08-25-2018, 11:25 AM
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GONIF
Drives: 73 VETTE ,, 05 2500hd diesel,14 1LE
Join Date: Feb 2014
Location: The Left lane PHOENIX AZ
Posts: 2,625
Clear code , switch the O2 sensors from right to left . If the code moves with the O2 , you have a bad O2 sensor. Fast easy and free way to find your problem.
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