Oxygen sensor replacement - 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 02-21-2003, 03:40 PM   #11
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I ran out to the garage to see if I might still have the old sensor and I did. There are four wires, the plastic connector on the O2 end goes to the outside of the plastic connector on the wiring harness and the wire connectors are "male". Does this help any?
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Old 02-21-2003, 03:49 PM   #12
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Boognish, before anybody asks, I am NOT going senile Just don't plan on changing that sucker until we get this straightened out. Considering what we've found out so far, my book may be wrong, but I want confirmation from Deathrat before we say for sure. I'm glad we figured this out.

Al, while you're at it, can you confirm all the part numbers in that article? It'* listed under specs!
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Old 02-21-2003, 08:11 PM   #13
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After reading all this, I'm a little confused now on what were after! Which car'* O2 sensor are we looking for again? Position 1 or Position 2? Verify which application for proper O2 sensors? Let me know tonite & I'll do it while at work tomorrow AM!
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Old 02-21-2003, 08:58 PM   #14
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Al, O2 #1, in the rear exhaust manifold, 97 is the year. My book apparently has the wrong part number!
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Old 02-22-2003, 12:18 AM   #15
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My book says that 97 and 00 up don't use the same sensor! What the hell is going on here?
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Old 02-22-2003, 09:05 PM   #16
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The VIN is G2HX52KXVH263751, or something thereabout. I think all the numbers made it up on screen. Stupid wireless keyboard with ever-weakening batteries.
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Old 02-22-2003, 09:11 PM   #17
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Ok, it'* time for everyone who'* done the O2 recently to sound off. Double check those numbers in Techinfo against what actually works. We need to verify!
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Old 02-22-2003, 09:16 PM   #18
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Listen to the man. I'm only meaning to buy one more sensor.
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Old 02-22-2003, 09:40 PM   #19
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We need 8 digit part numbers. Where'd those come from?
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Old 02-23-2003, 01:52 AM   #20
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Just to verify, the GM #25312203 is what I used to replace the O2 in the rear exaust manifold on my 1997 SSEi. It was the same in every way as the old one except new.
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