Rough Idle, Fuel Smell - 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 11-16-2005, 04:44 PM   #11
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That makes me lean towards the 02 sensor.
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Old 11-16-2005, 04:46 PM   #12
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I will change out the o2 sensor today, thanx dude you deserve a medal or something
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Old 11-16-2005, 04:58 PM   #13
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When you unhooked the 02, did it make it run differently?
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Old 11-16-2005, 05:33 PM   #14
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i unhooked the o2 and it did not run any different.....
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Old 11-16-2005, 05:38 PM   #15
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What brand O2 are you buying?
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Old 11-16-2005, 05:44 PM   #16
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My local auto pars store has the bosch o2 i will probably get that in the meantime and special order the ac delco one online......i need this car to run nice immediately, the wife is already talking about buying that Jeep Commander......my pockets are sweating bullets as i type....
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Old 11-16-2005, 06:27 PM   #17
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You'll regret that Bosch O2 very quickly.
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Old 11-17-2005, 03:12 PM   #18
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I got the AC Delco for 42.00 as it was in stock at the O'Reilly'* here.......Now i need to know what wrench size the o2 is....?
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Old 11-17-2005, 03:17 PM   #19
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I think it'* the metric equivalent of 7/8 but I maybe be wrong.
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Old 11-17-2005, 04:36 PM   #20
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www.rockauto.com - Cheap AC Delco O2. I haven't had the Bosch failures alot of people around here talk about.... but thats because I took the advice and avoided it like the bubonic plague.

As for the wrench size.. I bought the O2 socket. It'* great cause it has the cut out like a line wrench. If you don't want to bother with that, a crow'* foot looks like it'd work too.
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