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O2 sensor heater codes
I have this Suburban that came to us after being at another shop. It had numerous codes set but after clearing the only ones which return are P0141, HO2S heater performance bank 1 Sensor2, P0140,HO2S bank 1 sensor 2 insufficient activity, P0135, HO2S Heater pe... Login to read more. 
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| Engine | 5.3 L |
| Trans | 6-speed Automatic (Electronic) |
Vehicle Data
2009 Chevrolet Suburban 1500 LT 5.3L
| Engine | 5.3 L |
| Trans | 6-speed Automatic (Electronic) |
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