Do I need a new O2 sensor? - 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 03-03-2006, 02:47 PM   #11
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yes it was switching back and forth quickly.


sidenote: his rims look SOOO much better in person.
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Old 03-03-2006, 04:57 PM   #12
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Quote:
Originally Posted by corvettecrazy
yes it was switching back and forth quickly.


sidenote: his rims look SOOO much better in person.
Thanks Rob

Now back on the topic.
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Old 03-03-2006, 05:07 PM   #13
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Fuel, based on what I'm seeing here, it doesn't look to me that you are in dire need of a new O2 sensor. Unless you are experiencing some sort of low mileage or other malfunction that leads you to it, I would go away happy.

If the car has high miles and you think that it has never been changed, by all means do so, it'* your money and car and you probably know it best.

Just be aware of the "trap" that having a sensative scanner tool can lead to. That you will see all the little variations and hiccups that are part of daily engine use and that the PCM and other monitoring devices moderate all the time. Also, it leads to a lot of questions we would never think of if we hadn't seen this or that on the screen.

I'm not trying to minimize any possibilities or issues that may really exist, just writing a note of caution.

Drive on...
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Old 03-03-2006, 05:43 PM   #14
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I agree with you Lash. When Rob told me that it wasn't running lean or rich while I was driving, I'm very relieved now so I'm going to put the o2 sensor replacement on the back burner so I can deal with it later.
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