2015silveradotoast Posted May 5, 2019 Posted May 5, 2019 Just but longtube headers on 2015 silverado now have p020 and p030 codes used 02 sensor extenders anybody have any ideas on what I could be doing wrong?
1SLOW1500 Posted May 5, 2019 Posted May 5, 2019 Bank 2 value issue. Meter out you extension wires. I am very surprised you needed extensions. I freed mine and got so much length. You can also reset and see it the value corrects.
2015silveradotoast Posted May 7, 2019 Author Posted May 7, 2019 Tried all the easy fixes if you could give me a rundown of how you freed up the harness and is it possible with the headers still in it? That would be greatly appreciated @1SLOW1500
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