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HO2S heater question
This truck sets a p0141 HO2S heater bank 1 sensor 2 code. Customer had new HO2S installed. My question is this-when I go into the MODIS i get a test to turn on the front/rear heater for the HO2S the front will change on command but not the rear. MOD has me che... Login to read more. 
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58 Replies Received
| Engine | 4.2 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2004 Chevrolet Trailblazer LT 4.2L
| Engine | 4.2 L |
| Trans | 4-speed Automatic (Electronic) |
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