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Thread: What happened to your D3/D4 today?

  1. #5171
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    What happened to your D3/D4 today?

    Quote Originally Posted by BradC View Post
    You stab the pedal, it increases the voltage (and decreases because the throttle pedal sensor is a double-opposed for redundant)
    Speaking of throttle voltage readings - can someone please post some comparison voltage data and throttle % values from the two position sensors.

    I have started to see some P2138-62 algorithm based throttle comparison faults (which is nasty as it throws the car into full crawl speed limp mode which ain’t nice in heavy traffic).

    The two sensors follow each other but with a 0.5-1.5v difference depending on the position. The manual states one signal voltage is approximately double that of the other (was hoping for a more precise comparison).

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    BradC is offline Super Moderator
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    Quote Originally Posted by DiscoDB View Post
    Speaking of throttle voltage readings - can someone please post some comparison voltage data and throttle % values from the two position sensors.
    Best I could do at short notice with my shaky right foot.










    MY08 D3 - The Antichrist - "Permagrimace". Turn the key and play the "will it get me home again" lottery.

  3. #5173
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    Nice. One is pretty much double the other as the notes suggested.
    2010 TDV6 3.0L Discovery 4 HSE
    2007 Audi RS4 (B7)

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    What happened to your D3/D4 today?

    Thanks Brad - much appreciated.

    Have mapped the same and converted to a chart:





    Only a very small variation between our results.

    I wonder what tolerance they use to trigger the fault code. The actual ratio varies from 1.94 to 2.06 times. I am guessing the variation would need to be more than 0.1 to trigger a fault (below 1.9 or greater than 2.1).

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    LRD414 is offline Super Moderator Subscriber
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    I’ve said this before but I think worth repeating, it’s such a waste to have this kind of quality thinking and diagnosing between DiscoDB and BradC totally lost within the body of this huge and useless thread, instead of in an issue or topic specific thread.

    Having and saving good content like this in a place where it can be found in future is about the only advantage this forum has over FB groups

    Scott
    D4 TDV6 MY14 with Llams, Tuffant Wheels, Traxide DBS, APT sliders & protection plates, Prospeed Winch Mount w/ Carbon 12K, Mitch Hitch & Drifta Drawers
    Link to my D4 Build Thread
    D3 2005 V8 Petrol
    Ex '77 RRC 2 door. Long gone but not forgotten.

  6. #5176
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    What happened to your D3/D4 today?

    Quote Originally Posted by LRD414 View Post
    I’ve said this before but I think worth repeating, it’s such a waste to have this kind of quality thinking and diagnosing between DiscoDB and BradC totally lost within the body of this huge and useless thread, instead of in an issue or topic specific thread.

    Having and saving good content like this in a place where it can be found in future is about the only advantage this forum has over FB groups

    Scott
    So what you wanted to say, but didn’t, was make a topic?
    2010 TDV6 3.0L Discovery 4 HSE
    2007 Audi RS4 (B7)

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    What happened to your D3/D4 today?

    The saving grace Scott is everything here is very searchable.

    I just did a google search for “P2138 site:aurlo.com” and it took me straight to my actual post.

    Same when I search using the app search function. Of course google may be spying on me……What happened to your D3/D4 today?

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    BradC is offline Super Moderator
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    Quote Originally Posted by LRD414 View Post
    it’s such a waste to have this kind of quality thinking and diagnosing ... totally lost within the body of this huge and useless thread, instead of in an issue or topic specific thread.
    While I mostly agree, one thing I've learned is if you took 10 threads and had 100 people organise / file them you'd wind up with a thousand variations. As DiscoDB says, search is a powerful tool for dredging the internet for gold.

    I rely on search engines because I can't rely on anyone else filing information in a manner I'd be able to quickly use it.

    The ability to archive and search the database is what separates AULRO from the transient fluff that is "social media". Combined with the internet archive, it's almost indelible.
    MY08 D3 - The Antichrist - "Permagrimace". Turn the key and play the "will it get me home again" lottery.

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    Home Ater 4 Months

    Not actually today's news but yesterday's (I wanted to wake up and make sure it had really happened before posting...).

    As the titles says - it hasn't been here for the last 4 months as I dropped it off in Sept for rocker cover gaskets to be replaced and told the Indie it wasn't urgent

    A number of factors combined and so it wasn't until yesterday, resplendent with a new radiator (unplanned) that it came home.

    The weekend will be spent doing a final tidy and clean, taking of photos and posting adverts for sale. We were intending to keep it for another 2 - 3 years but have decided that we'll camp locally rather than remotely for the next few years and prepare for the purchase of another vehicle for remote camping/caravaning once we are about to retire.
    Cheers, Dale
    PIC - It comes with the Territory

    'The D3' - 2006 TDV6 HSE
    2008 Kimberley Kamper Sports RV
    Previously Enjoyed:
    2002 Adventure Offroad Campers 'Cape York'
    2000 D2 Td5 - plus!
    1997 Defender 110 Wagon - fully carpeted

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    STEDI 3303 Pro Light Bar Install

    Preparing the D4 for a 6-8 month western half lap. During the 6 month eastern lap we avoided driving at night for obvious reasons, but got caught out on the Oodnadatta track where we shredded a tyre and had to crawl into William Creek after dark trying to spot black cattle in the middle of the track. Hairy despite the HSE bi xenon headlights... so have installed a STEDI 3303 23.3" Pro light bar grill mounted with a bracket from the Osborne Park WA Autoelecoz crew. Spliced the switching wire into the Blue - Slate Grey high beam wire at the back of the passenger side headlight connector, mounting the isolator switch on the side of the steering column. Happy with the outcome.

    Blue-Slate Grey High Beam main wire - Passenger Side HL.jpg Screenshot 2024-01-22 203051.jpg STEDI Isolator Switch.jpg STEDI 3303 Pro 24.3 Light Bar.jpg

    Cheers,
    Naps
    MY16 D4 SDV6 HSE 3.0L MOAB 265/60R18 KO2 - Carbon 12K Winch - DO 35 Hitch - RedARC TowPro - Rhino Rack Backbone & Pioneer Platform - Front Runner Ladder - 100Ah 'The Lithium Box' - Full Boar Fourbie Drawers & Travall - APT Front/Sump/AC/Sliders - Safari snorkel - Oricom DTX4200 - Cel-Fi - GAP IID - TyreDogs

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