Gas Mileage *Update* New O2, pics of old. - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 06-01-2007, 07:03 PM   #11
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I am also interested in cleaning my TB, but find the TechInfo page on it a little vague. Can anyone link me up to a more detailed (and newbie learner friendly) set of instructions, maybe even with pictures?
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Old 06-01-2007, 08:41 PM   #12
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I strongly recommend a new O2.... If the car runs good I'd be very tempted to say that the MAF is fine.... a cleaning wouldn't hurt it tho...

For the Plugs, Ac Delco, Autolite, NGK'* and the like are fine... steer clear of Bosch..

The Older 1 wire O2'* like the 92'* used did not have a long life expectancy.... 60k seemed to be the point where most would drop off... and your mileage numbers seem to match up with a pretty much dead O2 sensor... If you do the proper searches most of the time you can get an AC Delco O2 for $20 to your front door.... I always get 2 or 3 of these at a time being that I have 2 cars that use them and a few friends that have cars that use them as well..

Your 92 should do no worse than 17-18 with you beating on it..

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Old 06-01-2007, 09:39 PM   #13
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Quote:
Originally Posted by jr's3800
Your 92 should do no worse than 17-18 with you beating on it..
Yeah, my uncle'* an ex/part time mechanic that has been helping me with my car a lot lately, and he said that I should get 16 at the worst in town.
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Old 06-01-2007, 09:41 PM   #14
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I do occasionally hear a knocking sort of sound when I'm anywhere from 1.7k - 2.3k on my tachometer, and accelerating a little bit. Not sure if this is normal or what, but it'* not like it sputters or dies.
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Old 06-03-2007, 09:14 PM   #15
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Went to Auto Zone and had them order me a Denso O2 sensor for $28. I won't be able to get to the TB for a few weeks.
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Old 06-05-2007, 06:42 PM   #16
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Sorry for the massive line of multiple posts, but I changed my O2 sensor today.

Here'* what the old one looked like:

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Old 06-05-2007, 09:59 PM   #17
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keep us updated on how the denso does. I am interested in getting one from my local autozone.
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