GMC Sierra 3500HD Chassis Questions Maintenance & Repair

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Kyleb1979 asked a 2012 GMC Sierra 3500HD Chassis SLE Crew Cab 4WD Maintenance & Repair question 5 years ago

O2 Sensors

Check engine light came on and the codes were for the O2 sensors, so I replaced all 4 O2 sensors and is still throwing multiple codes for the 02 bank 2 sensors, any ideas as to why?

65 views with 4 answers (last answer 5 years ago)

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