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Chevy/GMC Trucks \  Why the hell would an O2 sensor go bad????

Why the hell would an O2 sensor go bad????

Chevy/GMC Trucks Make Specific
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LowOrange88   +1y
Ok I got a trouble code and my truck is being kinda sluggish and jerky. I replaced the fuel filter, and its still doing it, and I got a trouble code for the O2 sensor, but I replaced it last spring when I put my motor back together, so what would have caused it to go bad?
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