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P2195 O2 sensor stuck low
I could use some help with properly diagnosing this P2195. This code is described as B1S1 O2 sensor lack of switching. A little history that may or may not be related is a maintenance tune. The light was not on when the tune up was done. Also the morning after... Login to read more. 
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| Engine | 4.0 L |
| Trans | 5-speed Automatic (Electronic) |
Vehicle Data
2003 Ford Explorer XLS 4.0L
| Engine | 4.0 L |
| Trans | 5-speed Automatic (Electronic) |
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