C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Second right O2

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Old Apr 16, 2006 | 12:00 PM
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Default Second right O2

I have a 95 and found that the second O2 sensor on the right side has gone bad. It is very lazy. The primary front left and right O2 sensors were replaced and are working well. Will replacing the bad sensor help how the car is running? I understand it is used to check the cat.
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Old Apr 16, 2006 | 04:14 PM
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Originally Posted by larrynash
Will replacing the bad sensor help how the car is running?
Well, that depends on how it is running. First we'd need to know any symptoms of it not running right before an answer can be given.
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Old Apr 16, 2006 | 09:49 PM
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Replacing the post-cat O2 sensor on a 94/95 will make no difference. Many have eliminated this sensor, without a problem.
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Old Apr 17, 2006 | 12:09 AM
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Originally Posted by larrynash
Will replacing the bad sensor help how the car is running?
It has no effect on the operation of the engine.

I understand it is used to check the cat.
If you understand that, then you know the above answer already.
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