 question about o2 sensors, CA spec has two, I want one |
 Mar 22, 2007 - 10:20 PM
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 Enthusiast  Joined May 12, '06 From Wilmington, NC Currently Offline Reputation: 45 (100%)  |
I have a CA spec car... this means, my car has 2 o2 sensors instead of one. when I go turbo (hopefully very soon) I'm sure the downpipe will only have a slot for one o2 sensor... so, is there like a resistor or something I can do so that my car doesn't freak out from only having one o2 sensor?
--------------------  94 GT - Sold -------- 69 Pontiac Lemans - Sold 88 Alltrac - Sold ---- 04 WRX - Sold 00 GT-S - Sold ------ 91 Miata - project/drift car 95 GT - Sold -------- 96 GT - New Daily Drive |
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Apr 4, 2007 - 5:25 PM
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 Enthusiast Joined Aug 9, '06 From Ma Currently Offline Reputation: 1 (100%) |
I have a question, out of curiosity.
I'm not telling anyone they're wrong, because I've never looked at a 94 GT in person, and I know sometimes things are how they are, they just don't make sense. But From everything I know the second O2 sensor [if you have one] is always AFTER the cat [or cats]. It is used to monitor how well the cat is changing the exhaust. So, I don't understand why there would be 2 O2 sensors in the DP before the cat. Can anyone explain? Or does anyone have pics of a STOCK setup? --------------------  |
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Apr 5, 2007 - 3:54 PM
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 Moderator Joined Oct 1, '02 From fall river, ma Currently Offline Reputation: 13 (100%) |
QUOTE(alltracman78 @ Apr 4, 2007 - 6:25 PM) [snapback]543192[/snapback] I have a question, out of curiosity. I'm not telling anyone they're wrong, because I've never looked at a 94 GT in person, and I know sometimes things are how they are, they just don't make sense. But From everything I know the second O2 sensor [if you have one] is always AFTER the cat [or cats]. It is used to monitor how well the cat is changing the exhaust. So, I don't understand why there would be 2 O2 sensors in the DP before the cat. Can anyone explain? Or does anyone have pics of a STOCK setup? jeremey, your right. the primary is right up top, with the 2nd being directly after the main cat that is attached to the exhaust manifold. 
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Posts in this topic
6strngs question about o2 sensors Mar 22, 2007 - 10:20 PM
Batman722 just get a dp with a second bung (for a wideband).... Mar 22, 2007 - 10:25 PM
6strngs QUOTE(Batman722 @ Mar 22, 2007 - 8:2... Mar 22, 2007 - 10:28 PM playr158 you can always have a 3rd bung installed....but is... Mar 23, 2007 - 12:28 AM 6strngs QUOTE(playr158 @ Mar 22, 2007 - 10:2... Mar 23, 2007 - 12:41 AM presure2 heres what you do.
most (99%) of widebands also ou... Mar 23, 2007 - 3:48 AM 6strngs QUOTE(presure2 @ Mar 23, 2007 - 1:48... Mar 23, 2007 - 1:51 PM presure2 QUOTE(6strngs @ Mar 23, 2007 - 1:51 ... Mar 25, 2007 - 6:04 PM 6strngs QUOTE(presure2 @ Mar 25, 2007 - 4:04... Mar 25, 2007 - 11:15 PM Negative Except STs. o0black0o's 25th anny ST has the s... Mar 23, 2007 - 10:13 AM presure2 all the V1 and V2 pipes have the lower O2 bung, as... Mar 27, 2007 - 4:22 PM 6strngs QUOTE(presure2 @ Mar 27, 2007 - 2:22... Mar 27, 2007 - 10:49 PM Negative I have 3 stock Turbo downpipes. I will check to se... Mar 28, 2007 - 11:18 AM 6strngs QUOTE(Negative @ Mar 28, 2007 - 9:18... Mar 28, 2007 - 3:36 PM Negative Good plan but the second half of the 5s downpipe i... Mar 28, 2007 - 3:49 PM 6strngs QUOTE(Negative @ Mar 28, 2007 - 1:49... Mar 28, 2007 - 9:08 PM Negative Got the downpipe and FMIC [Approx 30" x 10... Mar 29, 2007 - 8:45 AM 6strngs QUOTE(Negative @ Mar 29, 2007 - 6:45... Mar 29, 2007 - 1:31 PM Negative QUOTE(6strngs @ Mar 29, 2007 - 6:31 ... Mar 29, 2007 - 4:13 PM presure2 QUOTE(Negative @ Mar 29, 2007 - 5:13... Mar 29, 2007 - 4:36 PM 6strngs QUOTE(presure2 @ Mar 29, 2007 - 2:36... Mar 29, 2007 - 6:39 PM Negative OK well that saves me some time. I can still weld ... Mar 29, 2007 - 4:51 PM 6strngs yes, after closer inspection, the 2nd o2 sensor IS... Apr 4, 2007 - 8:25 PM alltracman78 She has a different engine.
I don't believe it... Apr 5, 2007 - 10:25 AM 6strngs QUOTE(alltracman78 @ Apr 5, 2007 - 8... Apr 5, 2007 - 3:21 PM alltracman78 QUOTE(6strngs @ Apr 5, 2007 - 3:21 P... Apr 5, 2007 - 6:54 PM hurley97 this is of my 97 ST but it sounds like they are in... Apr 4, 2007 - 11:07 PM 6strngs that's definately not where they are on a cali... Apr 4, 2007 - 11:17 PM 6strngs yes, for the time being I want to use the stock CT... Apr 6, 2007 - 12:08 AM alltracman78 Personally, I would recommend a 3".
Especiall... Apr 6, 2007 - 12:35 PM presure2 just FYI, ive had my 2nd O2 sensor installed in th... Apr 7, 2007 - 8:03 AM alltracman78 I stand corrected.
Apparently the 94/95 O2 sensors... Apr 8, 2007 - 1:13 PM |
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