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Thread: FSI Hesitation - Finally got VCDS

  1. #1
    Join Date
    Oct 2016
    Location
    Saltash, Cornwall, UK.
    Posts
    104

    Question FSI Hesitation - Finally got VCDS

    Well, it isn't pretty. Symptoms are an intermittent lack of power which manifested itself to barely being able to move. No obvious rattles or knocks from the engine. Here are they codes, any ideas?

    Address 01: Engine
    Controller: 036 906 013 F
    Component: MED7.5.11 5130
    Coding: 00051
    Shop #: WSC 00482
    WAUZZZ8Z83N020473 AUZ7Z0B2226100
    11 Faults Found:
    17439 - Manifold Change-Over Valve (N136): Setpoint Not Reached
    P1031 - 35-00 - -
    16684 - Random/Multiple Cylinder Misfire Detected
    P0300 - 35-00 - -
    16687 - Cylinder 3 Misfire Detected
    P0303 - 35-00 - -
    16785 - EGR System: Insufficient Flow
    P0401 - 35-00 - -
    16395 - Bank 1: Camshaft A (Intake): Retard Setpoint not Reached (Over-Advanced)
    P0011 - 35-10 - - - Intermittent
    17699 - Coolant Temp Sensor at Radiator Outlet (G83): Signal too Large
    P1291 - 35-10 - - - Intermittent
    16712 - Knock Sensor 1 (G61): Signal too High
    P0328 - 35-10 - - - Intermittent
    17733 - Knock-Control: Cylinder 1: Regulation Limit Exceeded
    P1325 - 35-10 - - - Intermittent
    17736 - Knock-Control: Cylinder 4: Regulation Limit Exceeded
    P1328 - 35-10 - - - Intermittent
    17734 - Knock-Control: Cylinder 2: Regulation Limit Exceeded
    P1326 - 35-10 - - - Intermittent
    17735 - Knock-Control: Cylinder 3: Regulation Limit Exceeded
    P1327 - 35-10 - - - Intermittent
    Readiness: 1010 0101
    2003 Audi A2 1.6 FSI Sport | Climate Control | Front Fogs | Headlight Cleaners | Heated Mirrors & Windscreen Washer Jets | Heated Seats | Symphony II | Vanity Mirrors | PDC | Rear Electric Windows | Auto-Dim Rear View Mirror | DIS | Working OSS | Rear Cup Holder

    2001 Audi TT 225 Quattro | Relentless Pro V4 Manifold | Toyosport Downpipe | Remapped 255 bhp(ish)

  2. #2
    Join Date
    Oct 2016
    Location
    Saltash, Cornwall, UK.
    Posts
    104
    I should add that to me, this look like the engine is kaput...
    2003 Audi A2 1.6 FSI Sport | Climate Control | Front Fogs | Headlight Cleaners | Heated Mirrors & Windscreen Washer Jets | Heated Seats | Symphony II | Vanity Mirrors | PDC | Rear Electric Windows | Auto-Dim Rear View Mirror | DIS | Working OSS | Rear Cup Holder

    2001 Audi TT 225 Quattro | Relentless Pro V4 Manifold | Toyosport Downpipe | Remapped 255 bhp(ish)

  3. #3
    Join Date
    Apr 2009
    Location
    Staines, Middlesex, UK
    Posts
    11,531
    Hi,

    Firstly, remember that these codes could be old, so save the details into the log in VCDS and then clear all codes, run the car for a short while and then rescan for errors, these will be the most current ones.

    Then you have a chance of pinning down the cause.

    Steve B

  4. Users that liked this post:

    Topsie (03-02-2017)

  5. #4
    If you haven't already, try changing the fuel filter

  6. Users that liked this post:

    Topsie (03-02-2017)

  7. #5
    Join Date
    Oct 2016
    Location
    Saltash, Cornwall, UK.
    Posts
    104
    Fuel filter is a good shout, though if there are fuel issues surely the ECU would give lean fuel trims?

    I'll reset and go for a drive at some point this weekend and post the results.

    Thanks for the advice,
    Nick
    2003 Audi A2 1.6 FSI Sport | Climate Control | Front Fogs | Headlight Cleaners | Heated Mirrors & Windscreen Washer Jets | Heated Seats | Symphony II | Vanity Mirrors | PDC | Rear Electric Windows | Auto-Dim Rear View Mirror | DIS | Working OSS | Rear Cup Holder

    2001 Audi TT 225 Quattro | Relentless Pro V4 Manifold | Toyosport Downpipe | Remapped 255 bhp(ish)

  8. #6
    I would do the following things in order.

    Clean the earth point
    Check the spark plugs, my previous fsi wasn't using the right plugs they were much shorter than the originals.

    If the plugs are fine then look at the coil packs. Try swapping them over and rescan the car to see if the fault is moving to another cylinder.

    Last and worst case scenario which is what happened to me is its a faulty fuel injector which is a common problem with the fsi. Thankfully I only had one that was faulty but it's not a cheap repair.

    Let us know how you get on

    Sent from my STV100-4 using Tapatalk
    A2 1.4TDI SE with OSS

  9. #7
    Join Date
    Oct 2016
    Location
    Saltash, Cornwall, UK.
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    Earth point checked and cleaned a couple weeks ago along with a new set of spark plugs. Old plugs showed no signs of running either rich or lean and were in reasonable condition. Injectors is certainly something I intend on checking but all knock sensors exceeding their limit is worrying, something is causing the knock sensors to read high and it's not detonation then there's not a lot else it can be other than, well, knock. The fuel filter is a must though, but i'm sure a poor supply would also through a code. I'll update as I know more.
    2003 Audi A2 1.6 FSI Sport | Climate Control | Front Fogs | Headlight Cleaners | Heated Mirrors & Windscreen Washer Jets | Heated Seats | Symphony II | Vanity Mirrors | PDC | Rear Electric Windows | Auto-Dim Rear View Mirror | DIS | Working OSS | Rear Cup Holder

    2001 Audi TT 225 Quattro | Relentless Pro V4 Manifold | Toyosport Downpipe | Remapped 255 bhp(ish)

  10. Users that liked this post:

    Hass (03-02-2017)

  11. #8
    Try swapping over the coil packs and see if the fault jumps to another cylinder. Wondering if it could even be a manifold problem?

    Sent from my STV100-4 using Tapatalk
    A2 1.4TDI SE with OSS

  12. #9
    My TDI only came up with a misfire on the diagnostics (my symptoms were hesitation, a lack of power and the engine cutting out) yet when I changed the fuel filter it was all fine again. I don't know if it's different on the FSI though.

  13. #10
    Join Date
    Oct 2016
    Location
    Saltash, Cornwall, UK.
    Posts
    104
    Quote Originally Posted by Hass View Post
    Try swapping over the coil packs and see if the fault jumps to another cylinder. Wondering if it could even be a manifold problem?

    Sent from my STV100-4 using Tapatalk
    Forgot to mention, tried swapping coil packs, the misfire usually stays with cylinder 3.
    2003 Audi A2 1.6 FSI Sport | Climate Control | Front Fogs | Headlight Cleaners | Heated Mirrors & Windscreen Washer Jets | Heated Seats | Symphony II | Vanity Mirrors | PDC | Rear Electric Windows | Auto-Dim Rear View Mirror | DIS | Working OSS | Rear Cup Holder

    2001 Audi TT 225 Quattro | Relentless Pro V4 Manifold | Toyosport Downpipe | Remapped 255 bhp(ish)

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