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2003 Chevrolet 4.8L, have put 02 sensor in code P0152 a P0155 keep coming back

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2003 Chevrolet 4.8L, have put 02 sensor in code P0152 a P0155 keep coming back. What is the best solution and meaning of the code?

Vehicle: 2003 Chevrolet 4.8L

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P0152 CHEVROLET - HO2S Circuit High Voltage Bank 2 Sensor 1
Read more: https://www.autocodes.com/p0152_chevrolet.html

P0155 CHEVROLET - HO2S Heater Performance Bank 2 Sensor 1
Read more: https://www.autocodes.com/p0155_chevrolet.html

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