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Old 04-20-2015, 02:12 PM   #1
DevilDogge
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Vagcom
Still trying to find out which sensor is causing my CEL of o2 sensor signal stuck rich sensor 1, system too lean, and post cat trim too rich.

Would a vagcom cable give me more insight as to where the issue lies?

First thought it was an intake leak causing metered air to escape and extra fuel to be burnt.

What I've tried so far: Smoked the intake, replaced MAF, and replaced coolant temperature sensor.

I think it's in some type of default mode, and it's getting about 24-25 mpg (2.5l gas).

Is it possible that pre cat o2 is bad? In my experience, if the pre cat o2 goes bad, the car runs like spanked ass. I have no issues with driveability as it is now. This is my first VW, so still learning the character of the car.

Last edited by DevilDogge; 04-20-2015 at 02:14 PM..
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Old 04-21-2015, 09:58 AM   #2
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The code should tell you which sensor. I'm not familiar with the 2.5l. Regardless, I think I still have my old Vagcom software saved in my email somewhere. I just bought a $10 ebay vagcom cable and it worked flawlessly. I'll send you the software if you're interested.
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Old 04-22-2015, 09:38 AM   #3
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Quote:
Originally Posted by oooo2stang View Post
The code should tell you which sensor. I'm not familiar with the 2.5l. Regardless, I think I still have my old Vagcom software saved in my email somewhere. I just bought a $10 ebay vagcom cable and it worked flawlessly. I'll send you the software if you're interested.
That would be great. I'll check for an ebay cable today. If you find the software, my email address is [email protected] . Thanks, man.
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Old 04-22-2015, 08:10 PM   #4
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if you get a chance i wouldn't mind a copy as well i need to disable my drl on my sportwagen. [email protected] Thanks
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Old 04-22-2015, 09:30 PM   #5
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I would like to software as well. [email protected]
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Old 04-23-2015, 11:53 AM   #6
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You can use vcds-lite with an ebay cable and it's free

http://www.ross-tech.com/vcds-lite/download/index.html
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Old 04-23-2015, 02:35 PM   #7
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Originally Posted by mikay View Post
You can use vcds-lite with an ebay cable and it's free

http://www.ross-tech.com/vcds-lite/download/index.html
That looks almost identical to the software. It may be an easier option instead of going through all of the trouble of setting the one I have up. It's the old 311 version. Good to know now. Thanks for the link.
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Old 04-27-2015, 11:13 AM   #8
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Turns out it was the front o2 sensor after all. New one in it and now I'm getting a poorly functioning cat code. Cut it off, busted out the clogged up catalyst, and now have to get the rear o2 turned off somehow to get rid of the CEL.
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Old 05-05-2015, 02:28 AM   #9
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You have to get a "tune " to turn it off. O2 simulators will not work on 98+ VW's

I can provide you with a tune if needed
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Old 05-08-2015, 09:29 AM   #10
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If anyone is still wanting the old version I have by chance, just shoot me a PM and I'll get it to you. I don't log on here too often.

Last edited by oooo2stang; 05-08-2015 at 09:41 AM..
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