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HO2S Bank 1 Sensor 2 problem

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Old May 30, 2006 | 09:56 PM
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From: Davenport IA
Default HO2S Bank 1 Sensor 2 problem

So I'm getting a code for my driver side bank rear Oxygen Sensor having low circuit voltage.

I assume I just need to replace it, and I have 2 rear sensors that I took off my 2002 Trans Am in my garage.

Does anyone know if they are the same part number before I take the one out of the vette to check and don't have a proper replacement?

Its a 2000 coupe.

TIA!

Jay
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Old Jun 1, 2006 | 10:33 PM
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Anbody????

Beuller????
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Old Jun 1, 2006 | 10:42 PM
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Local Autoparts store (Advance, AutoZone, etc.) and pick up a Bosch 13111. Unfortunately around $74 retail.
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Old Jun 1, 2006 | 11:59 PM
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The C5's use the same rear O2 sensors from '00 to at least '02 so the ones from your '02 Trans Am might work. I would give it a shot, nothing to lose. Check to see that your wiring is good as that could cause your problem.

If you need to get a new one then I would stick with the AC Delco ones as I have heard of others, notably Bosch, that have caused some people problems. The GM# is 25317697 and the AC Delco# is 213-810. Shop around the internet and you'll find a good price. As I recall, the price at gmpartsdirect was pretty decent
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Old Jun 2, 2006 | 07:29 AM
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Check the grounds for the sensors. There is a ground stud on the drivers side frame rail below the brake vacuum booster. There is a braded ground wire attached to it. That wire attaches to the engine. The ground piont is below # 5 spark plug on the cylinder block! I would remove the wire and clean the connections. The connection on the block can only be accessed from below,



BC
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Old Jun 2, 2006 | 08:01 PM
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Thanks for the info!

I'll check the ground first, as the code is very intermitant.

Jay
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