Check engine light

[Marinejim]

I replaced bank 1 upstream oxygen sensor and the check engine light still on

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[Flip]

Jim,

Please post some more information; what problems you're having and a code if you have it.

 

[Cheyenne]

I replaced bank 1 upstream oxygen sensor and the check engine light still on

May sound silly. This happened to me. Loose gas cap.

 

[Marinejim]

Someone said to take both battery cables off and hold them together for 2 minutes and that should reset the codes

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