Oxygen sensor replacement - Page 3 - 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 02-23-2003, 02:19 AM   #21
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Boognish, I'd go with NV'* number. We'll keep working on this......I haven't heard back from the Rat yet.
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Old 02-23-2003, 12:11 PM   #22
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Looks like techinfo'* number was for the other O2 sensor. This one here is AS Delco # AFS-97, GM # 25312196.
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Old 02-23-2003, 12:28 PM   #23
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Since it'* SUNDAY! I can't look it up until Monday at work! You'll just have to wait until then or guess!
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Old 02-23-2003, 05:33 PM   #24
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I was going to change my O2 Sensor yesterday, I was taking the harness apart and the ends weren't right. There is a male end on the new O2 sensor and the old sensor has a female end. I used the Part Number in the tech info section. If you do find the correct Part#, I'd like to know, my gas mileage sucks lately.
I have a 1997 SE and my VIN# is 1G2HX52K1VH233733
edit: where is the part GM#25312196 supposed to go?
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Old 02-23-2003, 07:14 PM   #25
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That'* the sensor after the cat, YLT.
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Old 02-23-2003, 08:07 PM   #26
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Looks like my book is calling BOTH sensors the same part number, but it'* using the rear number. Bogus bogus bogus.
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Old 02-23-2003, 08:27 PM   #27
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So the "wrong" sensor that I have can still be used? Would it be a good idea to replace the rear sensor since I have it anyways?
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Old 02-24-2003, 01:03 PM   #28
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Quote:
Originally Posted by DeathRat
Since it'* SUNDAY! I can't look it up until Monday at work! You'll just have to wait until then or guess!
P97H
3.8K > POSN 1 P/N: 25312203 (AFS109)
3.8K > POSN 3 P/N: 25312196 (AFS97)
3.8-1 > POSN 3 P/N: 25312196 (AFS97)

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Old 02-27-2003, 05:09 PM   #29
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OK I've had this discussion before w/ Deathrat (I think) but I'm going to rehash it....
I'm 'bout to order O2 sensor(*) for my 2000 SE today and want to double check with people who know....I've got two listed: POS 1 (p/n 25312203) and POS 3 (p/n 25312207). So, for argument'* sake, should I replace one or both of the O2 sensors, and which one would be the likely candidate if I were to replace only one of them?
Sorry if this seems like a loopy question but I'm at work and totally fried....

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Old 04-14-2003, 12:15 PM   #30
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I know this is not my topic, but by reading it, I have to change my O2 sensor/*, does anybody by any chance have a pic. on to where these sensors are exactly. I don't have a book, and I need one.

Thanx...
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