Chevy Van O2 sensor question

I have an '89 G20 conversion van with a 350 & throttle body injector, that has 93000 miles. I have put on around 60000 since I got it. I have never changed the O2 sensor, and was wondering if it will improve my gas mileage. No "check engine" lights have been on, and figured if it ain't broke....

Thanks Frank

Reply to
Frank S.
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If it aint broke, do not fix it. I hav 175k miles on my original O@ sensor on my 89 burb and I still get great MPG with it and it runs fine too.

Reply to
snoman

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