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  1. #1
    2nd Gear

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    Post CAT 02 sensor confusion?

    Hi all, I decided to get under the car and noticed that just after the CAT there is a hole that is bunged up. Its a blueflame exhaust from the turbo.



    When running the basic settings in vag com to test the rear 02 sensor (think it is 030 or something similar), the front one seems to be working showing 111 or 011, flicking between the two), but the rear is just showing 000 with a faint flick to a 1 for the first digit every now and then. This is making me think that it is not working properly. But after seeing this other hole, should it be going in there, on the cat?

    Thanks in advance
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    Porsche Cayman S

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    Audi S3:Blueflame TBE; 3" blueflame downpipe; Forge 007p; jabbasport custom map; Badger 5 TIP v1, various bushes, N249 Bypass, Stack Boost Gauge, Junior GT Brembo brakes, tarox 2 part discs, DS2500's

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  3. #2
    RIP S3dave

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    its maybe running a little cooler sat further away from the cat... the digit you see it probably the heater being switched on/off

    I cant see the location being uber sensitive to the post cat sensor

    any faultcodes?
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  4. #3
    2nd Gear

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    16804 is the other code I am getting. I am starting to think the CAT is at fault. I have a 100 cel cat from blueflame in the DP.

    Might need to send them the 100 cel one back under warranty. only installed the thing in january!

    Did the o2 tests (finally managed to figure out how to run them) and they came back OK. Still cant figure out how to run the Cat test using 046 though on basic settings.
    Current

    Porsche Cayman S

    Gone but not forgotten
    Audi S3:Blueflame TBE; 3" blueflame downpipe; Forge 007p; jabbasport custom map; Badger 5 TIP v1, various bushes, N249 Bypass, Stack Boost Gauge, Junior GT Brembo brakes, tarox 2 part discs, DS2500's

 

 

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