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Down stream oxygen sensor operation?
I was just wondering if someone could shine some light on how this system works, as the MOD or alldata does not. Po140 low o2 activity bank 1 sensor 2. Modisshows 2.55V, hooked DVOM and get no signal .01 +or-.01 I have ground on black ground/shield wire. Any i... Login to read more. 
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| Engine | 2.4 L |
| Trans | 5-speed Standard |
Vehicle Data
2001 Nissan Altima SE 2.4L
| Engine | 2.4 L |
| Trans | 5-speed Standard |
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