resetting service engine light on 2001 GMC Sierra 1500 4.8L

Asked by Guru9YQF29 Feb 06, 2021 at 05:16 PM about the 2001 GMC Sierra 1500 SL Extended Cab SB

Question type: Maintenance & Repair

How many miles after replacing both O2 sensors on bank 2?

2 Answers
158,045

James answered 3 years ago

If the oxygen sensors were the problem the light should go out after a few days of normal driving. If that was not the problem the light will not go out. Did you scan the computer for trouble codes before you replaced the oxygen sensors? Hope that helps! Jim

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