Check engine light on 02 GT

Cruzer

11 Second 2V
Established Member
Joined
Dec 23, 2007
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693
Location
Lancaster, Pennsylvania
Okay guys I was driving and my check engine light came on, so I checked it with my xcal-3 and the code is P0152 it also said
02 (ho2s-21) ckt high voltage (b2,s1)
If I am right that is left side front o2 sensor. I have my back sensor's turned off so I could just swap one. I was just wondering what would cause the high voltage? Thanks
Carl
 

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