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  1. #1
    A3 SportBack 2TFSI quattro DSG

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    Read bost on a 2,0TDI

    Hi.

    is there a way of reading / logging the boost under driving?

    I have a feeling that the engine is not pulling evenly.
    sometimes it feels great and other times it is boring.

    I do not use this car every day so its hard to compare it from time to time.

    any ideas?

  2. # ADS
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  3. #2
    4th Gear

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    Mar 2008
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    you can use vag-com/vcds to log realtime boost, but Iv been told the sensor only measures up to 2600mbar boost!? bare in mind 1000mbar is sea level air pressure. Is there an upgrade thrust sensor for cars running more boost other than a aftermarket gauge?


    A3 2.0 TDI Optics Black S-Line, FR&RTuning Stage 3! GT20 Hybrid Turbo, THS TFSI FMIC, Sachs performance clutch kit+SMF, Milltek 2.5" Turbo-Back Non-Res Exhaust, ITG Maxogen Induction, EGR Delete with FR&RTuning Map out, Custom Black 18" RS4, 35mm H&R springs, S3 brakes, EBC Yellowstuff, front splitter, HID Xenons, S3 tailgate Spoiler, 09 Rear Lights, Retrofit Audi Ipod, S3 Air vents, Bose sound+retrofit JBL Subwoofer 1200W.
    Milltek Cat-back Non-Res for S3 2.0T FOR SALE both 3dr and 5dr PM

  4. #3
    4th Gear

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    the sensor is a 3 bar sensor inside the ecu, that is 2bar above atmouspheric, but the output available over the obd port to log only goes up to 2601mbar absolute, so if your boost goes above 1.6bar real boost you cant tell what it is without a real boost gauge
    TT-RS 410hp revo
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  5. #4
    devonmikeyboy's Avatar
    As far from JBS as possible !

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    The boost sensor can be changed for a 4 bar or higher if wanted. This usually reqires fitted a new plug to connect to the sensor and modifing the hole the sensor fits in or making a custom pipe. Read this thread for more info.http://forums.tdiclub.com/showthread...ghlight=sensor
    Another way is to get the car remapped so as to re-calibrate the sensor to read higher on Vagcom as a friend of mine did.
    06 Audi 2.0 PD140 Sport TDI Quattro S-LINE.
    Old engine 330 bhp @ flywheel 263 bhp @ wheel 490 lb torque. Audidriver write up HERE
    Now stripped and playing with an uprated Cryo treated engine fitted with bigger turbo,water/methanol,uprated injectors etc etc.Wanting 400 bhp and 500 lb torque.

    Other car 500+ bhp MK4 Golf R32 turbo.

 

 

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