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 Old 11-11-2011, 04:50 AM   #1
 
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Default Downpipe lambda sensor

Hey guys!

So i ripped out that piece of shit uni-q and got Versatune. WOW!!! What a huge diff, and the amount of tuning I can do now is incredible!

Thx to "KMAC" showing me the light to VT!!

Anyhow...

I have x2 lambda foulers installed on top of each other, with the lambda sensor screwed in on top. I had a CEL without it and the exhaust guys installed it like that and the CEL went away.

This was before I had VT. So can I remove the x2 lambda foulers and screw in the lambda sensor directly? I have enabled the "I have a catless dp" under settings and flashed.

Thx in advance
Jo

PS: I have a catless 3" dp and a 2.5" freeflow zorst
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Last edited by joey; 11-14-2011 at 06:03 AM.
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 Old 11-11-2011, 04:52 AM   #2
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yes remove the anti foulers.

i really hope you only had it on the bottom O2 as well
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 Old 11-11-2011, 04:54 AM   #3
 
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Originally Posted by superskaterxes View Post
yes remove the anti foulers.

i really hope you only had it on the bottom O2 as well
Great!

Yeah, i only have it on my lambda sensor, not the O2 sensor.

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 Old 11-11-2011, 07:03 AM   #4
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lambda = O2
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 Old 11-12-2011, 01:21 AM   #5
 
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Sorry for the confusion then. I thought i had a O2sensor close to the turbo and further down the downpipe was a lambda sensor.
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 Old 11-12-2011, 09:49 AM   #6
 
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Not trying to steal the post, but im getting CEL with my catless DP, and my AFR is crazy high. I was told to get a new O2
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 Old 11-13-2011, 10:45 PM   #7
 
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Originally Posted by brandonms3 View Post
Not trying to steal the post, but im getting CEL with my catless DP, and my AFR is crazy high. I was told to get a new O2
No probs bro!

What software are you running? Have you done a log yet?
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 Old 11-14-2011, 04:31 PM   #8
 
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yeah im running ots stage 2 91 with intake. but it was fine for like 2 weeks...it needs tuning adjustments but never had a cel. my AFR is like 29.3 at idle and at wot
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 Old 11-14-2011, 05:59 PM   #9
 
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Originally Posted by brandonms3 View Post
yeah im running ots stage 2 91 with intake. but it was fine for like 2 weeks...it needs tuning adjustments but never had a cel. my AFR is like 29.3 at idle and at wot
Your afr is not at 29.3 at wot or your engine would be scattered. You need a new o2
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 Old 11-14-2011, 10:45 PM   #10
 
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Originally Posted by Black Metal View Post
Your afr is not at 29.3 at wot or your engine would be scattered. You need a new o2
Yeah! What he said! After getting new O2 sensor, do a MAF cal according to Abilor's guide.
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 Old 11-16-2011, 11:17 AM   #11
 
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thanks....i was told to maybe put a spacer between the o2 and the DP??? would that be a good idea for the new o2?
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 Old 11-16-2011, 10:56 PM   #12
 
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Originally Posted by brandonms3 View Post
thanks....i was told to maybe put a spacer between the o2 and the DP??? would that be a good idea for the new o2?
No spacers needed.. Just replace with new O2 sensor and be careful not to damage the thread on the DP. If you do, you'll need to cut new thread with a tap. I think its and M18 1.5pitch tap, if need be.

Good luck bud! I personally won't run a Stage 2 map with only a intake. My .02
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 Old 11-17-2011, 01:24 PM   #13
 
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Thanks for the help....my mods aren't only an intake...CPe dp, sure aeros, Autotech internals. Lol.
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