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recently i got a trouble code (P0152) and it said O2 sensor circuit high voltage (bank 2 sensor 1). i just replaced the O2 sensors and im getting 2 codes now. the same one (P0152) and P1152 which just says air fuel metering. does anyone have a clue what causes a circuit high voltage and how i can go about fixing it?
 

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Well , either the sensor was bad or something is sending the sensor a bad signal! Did you replace the correct o2 sensor? Also try to disconnect the battery + for a few minutes, or go to Autozone and have them turn it off. See if it comes back on... Also you may need a tune up. Could have a bad plug which is making the o2 sensor burn too hot trying to burn eccess fuel.
 
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