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O2 sensor which one is front and rear? CODES...

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Old Jul 26, 2007 | 04:02 PM
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Default O2 sensor which one is front and rear? CODES...

I have found the sensors I need to replace which are these o2 sensors
P0135, P0155 are they before the catylac converter or after? Are they left or right.

Please help
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Old Jul 26, 2007 | 04:55 PM
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Heater Circuit Bank 1 Sensor 1... Heater Circuit Bank 2 Sensor 1...

Both your left and right O2 sensors, I would guess the front ones, but I'm not 100% positive. You might try unplugging them and reseating the plugs to see if there is a continuity issue with the heater elements in them.

Good luck... GUSTO
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Old Jul 26, 2007 | 05:03 PM
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Originally Posted by GUSTO14
Heater Circuit Bank 1 Sensor 1... Heater Circuit Bank 2 Sensor 1...

Both your left and right O2 sensors, I would guess the front ones, but I'm not 100% positive. You might try unplugging them and reseating the plugs to see if there is a continuity issue with the heater elements in them.

Good luck... GUSTO
yup thats both front 02's
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Old Jul 26, 2007 | 05:11 PM
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Default Outstanding

I just called local parts store has all $ of them

Bank1= side that has cylinder 1
Bank2= side that has cylinder 2

Sensor1= Front O2 sensors
Sensor2= Rear O2 sensors
I hope this fixes the dang check engine light and the stupid code stuff

Thanks to all !
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Old Jul 26, 2007 | 09:30 PM
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I had to change bank 2 sensor 2 to fix my check engine light. Pretty easy to change. Good luck

Mark
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Old Jul 27, 2007 | 12:42 PM
  #6  
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Default No Check Engine Light

I replaced my left and right O2 sensors which only took about a whole 10 minutes for both.
RESULTs:

-Check engine light went out
-Cleared codes after a reset
-Engine is idling much better
-Life is Good...
when your Corvette is running good


Thanks for the help hopefully it keeps running good
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