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No O2 Readings

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Old 01-14-2012, 10:28 AM
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No O2 Readings

Hi Guys,

In the process of mapping with Proto. Todd says he does not see any O2 readings in my log files. Any ideas what could be causing this. 1 of my Pre cat Sensors is brand new, the other has 45Kmiles on it. Lambda readings are fine and the ecu sees the sensors plugged in, just no O2 readings?? I've checked connections and secondary air pump. Used Durametric to run secondary pump manually. All works fine. Any help would be much appreciated as I am STUMPED!!
 
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Old 01-14-2012, 11:58 AM
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Lambda readings are O2 readings.
 
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Old 01-14-2012, 12:18 PM
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Originally Posted by _gez_
Lambda readings are O2 readings.

You can tell Todd that!! Thats not what he said to me!
 
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Old 01-14-2012, 01:33 PM
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My Durametric outputs the following as a header for the lambda columns:

Oxygen sensing, bank 1 Lambda Value
Oxygen sensing, bank 2 Lambda Value

... so I agree with _gez_

Jon
 
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Old 01-14-2012, 02:13 PM
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maybe you never checked them off to be logged?
 
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Old 01-15-2012, 12:25 AM
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Originally Posted by MARKSKI@911tuning
maybe you never checked them off to be logged?
Plus one..
 
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Old 01-15-2012, 05:34 AM
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Oxygen Sensing Bank 1 and Oxygen Sensing Bank 2 were both ticked
 
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Old 01-15-2012, 08:06 AM
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Originally Posted by Yazz911TT
Oxygen Sensing Bank 1 and Oxygen Sensing Bank 2 were both ticked
And you got lambda values from both banks, correct? So what's the issue?
 
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Old 01-15-2012, 11:11 AM
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Originally Posted by FAST FWD
And you got lambda values from both banks, correct? So what's the issue?
The issue is.....the O2 readings are 1.00 forever and ever, regardless of revs or gear or load or speed or anyting. They flatline at 1.00 and stay there.
 
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Old 01-15-2012, 01:10 PM
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Originally Posted by Yazz911TT
The issue is.....the O2 readings are 1.00 forever and ever, regardless of revs or gear or load or speed or anyting. They flatline at 1.00 and stay there.
You said in your original post that "Lambda readings are fine." If they are forever 1.00, then of course they aren't fine. That's what confused me, and I think the rest of the people who have been trying to help you.

I suggest that you post a log from a boost run, and then you might get some more helpful responses.

Jon
 
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Old 01-15-2012, 02:26 PM
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Ok tell me what to log and I will go for a drive and log it.
 
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Old 01-15-2012, 04:19 PM
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Originally Posted by Yazz911TT
Ok tell me what to log and I will go for a drive and log it.
Why not post precisely what you sent to Tony?

Posting a different log will not answer the question of why what Tony got is no good....
 
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Old 01-15-2012, 04:39 PM
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Originally Posted by Yazz911TT
Oxygen Sensing Bank 1 and Oxygen Sensing Bank 2 were both ticked
I think you got it wrong... it needs to say "Oxygen sensing bank 1 Lambda Value".
you are logging the wrong values..
 
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Old 01-15-2012, 06:08 PM
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Originally Posted by MARKSKI@911tuning
I think you got it wrong... it needs to say "Oxygen sensing bank 1 Lambda Value".
you are logging the wrong values..

Interesting. So what he ticked was "tell me the status of the Oxygen Sensing" ...which was "on" or "1"

What he wanted was the actual values....
 
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Old 01-15-2012, 06:26 PM
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Originally Posted by ard
Interesting. So what he ticked was "tell me the status of the Oxygen Sensing" ...which was "on" or "1"

What he wanted was the actual values....
thats what I'm guessing...
 
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2001 996TT 3.6L and stock ECU
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seconds @ 147.76 mph 1/4 mile
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160 mph @ 9.77 seconds in 1/4 mile click to view
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