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02-27-2012, 04:05 PM | #55 |
Any word on the size of this pipe.
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02-27-2012, 04:23 PM | #56 |
Drives: 2008 Yaris Join Date: Nov 2009
Location: WNC
Posts: 34
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Just measured the pipe it is 2.25 O.D.
Last edited by hartley1080; 02-27-2012 at 04:40 PM. |
02-27-2012, 04:28 PM | #57 |
Form>Function
Drives: 07 Flint Sedan Join Date: Dec 2009
Location: Tampa
Posts: 4,018
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02-27-2012, 07:10 PM | #58 |
Obsessed with 1.5L
Drives: '10 PW Yaris Sedan Join Date: Feb 2011
Location: Westminster, MD
Posts: 907
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Wow how about google that shit
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02-27-2012, 09:28 PM | #59 |
Form>Function
Drives: 07 Flint Sedan Join Date: Dec 2009
Location: Tampa
Posts: 4,018
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True im looking more for ID.
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02-27-2012, 11:10 PM | #60 |
Drives: 2008 Yaris Join Date: Nov 2009
Location: WNC
Posts: 34
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Will check the I.D. soon
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02-28-2012, 12:22 PM | #61 |
What I thought I'd do was
Drives: 09 Yaris Sedan Join Date: Aug 2009
Location: Northwest Alabama
Posts: 1,140
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02-28-2012, 12:49 PM | #62 | |
Form>Function
Drives: 07 Flint Sedan Join Date: Dec 2009
Location: Tampa
Posts: 4,018
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Quote:
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02-28-2012, 01:37 PM | #63 |
What I thought I'd do was
Drives: 09 Yaris Sedan Join Date: Aug 2009
Location: Northwest Alabama
Posts: 1,140
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It can be confusing. So many steps in the process :P
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02-28-2012, 01:47 PM | #64 |
Drives: 2008 Yaris Join Date: Nov 2009
Location: WNC
Posts: 34
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Thanks for the link
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03-06-2012, 10:47 AM | #65 |
If Its Not Blown It Sucks
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Running lean. What's up with that?
Just installed this OBX on my 07 LB and now I have a little bit of ping going on. I put one of the 2 Cats back in (after the O2 sensor) and figure that's the problem. Let me know if I should put the other Cat in or move the O2 sensor to after the Cat.???
Since both O2 sensors are basically seeing the same thing now I would guess I'm right with the location thing. just want a second opinion. |
03-06-2012, 12:03 PM | #66 |
ULTIMATE
Drives: 07 Yaris Turbo Join Date: May 2007
Location: Canoga Park, CA
Posts: 14,859
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Stock location is after the first cat.
So the 2nd cat doesn't matter at all as far as the ECU is concerned. If you have one cat, the second O2 sensor should be after that. I'm surprised you aren't getting a CEL with both sensors seeing basically the same thing. Your car should be thinking your cat is not working.
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03-06-2012, 12:22 PM | #67 |
If Its Not Blown It Sucks
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Got the CEL too, just didn't mention it. I'll be relocating the O2 sensor this weekend when I put in the resonator. Thanks for the quick reply and reaffirmation of my suspicions. Would the ECU lean out the mix because of what the 2nd O2 sensor sees?
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03-06-2012, 04:09 PM | #68 |
1NZ-6spd
Drives: '05 6-Spd Vitz RS Join Date: Oct 2008
Location: Oshawa, Ontario, Canada
Posts: 2,967
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The first sensor isn't an O2 sensor, it's a A/F sensor. The second is indeed an O2 and is only there to read what's coming out of the CAT.
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03-06-2012, 05:28 PM | #69 |
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Just keeping it simple. I knew he must be getting a CEL.
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03-07-2012, 11:19 AM | #70 |
If Its Not Blown It Sucks
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Different parts???
Are they both the same thing just used for different purposes? Are there any other consequences to moving the O2 sensor further downstream? Should I wrap the headpipe to keep the cat warmer? Just trying to get as much info as possible before I get under there one more time.
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03-07-2012, 12:17 PM | #71 |
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^ The two sensors are not the same. Technically, the first one is more of an air/fuel sensor (though it's kind of a weird hybrid design by the way the ECU reads the voltages) and the second one is an O2 sensor to monitor the cat. Pretty sure that's all it does.
Why would you move it downstream? And why would you want it to be "warmer"?
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Micro Image forums, online store and shop are now closed. It was a great eight year run, but it was time to focus on other things. I'm still selling parts on eBay under micro*image seller ID and customers can still make requests for anything specific. |
03-07-2012, 12:44 PM | #72 |
If Its Not Blown It Sucks
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Downstream past the Cat. Catalytic converters function better at higher temps leading to a more accurate reading for the O2 sensor. Higher temps within reason of course. I've seen melted catalyst in engines that ran waayy too lean. Anyway, thanks for the clarity on the sensors.
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