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

Preferred O2 sensor for 1990 L98

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Old Oct 23, 2007 | 01:59 PM
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Default Preferred O2 sensor for 1990 L98

I noticed a lot of bad talk about the Bosch O2 sensor,. I changed mine along with my Y pipe and getting what seems like a miss at mid rpm. I just ordered an ALDL cable, so I dont have any data yet.

What is the preferred sensor for my car?

thanks
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Old Oct 23, 2007 | 02:30 PM
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I put a Bosch in my 1990 about 2 months ago and it has run great ever since.
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Old Oct 23, 2007 | 04:27 PM
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A Bosch 3 wire works in my long tubes. one wire worked in the OE exhaust.
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Old Oct 23, 2007 | 04:32 PM
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I also run a Bosch. After installation, I starting see threads on dissatisfaction of this brand. The consensus seemed to be that they are often "marginal". In other words, they work but they could perform better. (Mine hasn't thrown a code in 1 1/2 years).

I wish I could remember what brand was recommended over Bosch, but I can't. You should be able to find it in archives.

gp
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Old Oct 23, 2007 | 04:52 PM
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Originally Posted by GREGGPENN
I wish I could remember what brand was recommended over Bosch, but I can't. You should be able to find it in archives.gp
probably Denso....but I don't think it matters that much as I believe they are all only accuratte at approx. .450mv
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