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Thread: Power loss along with a diesel knock / rattle

  1. #1
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    Power loss along with a diesel knock / rattle

    Hello, I'm wondering if any of you have had a similar issue with the 2.0tdi engine that is fitted to the tiguan around 2015. The issue I'm having is that when accelerating you get a diesel knock / rattle sound along with power loss. I have noticed that when the car does a regeneration cycle the power appears to come back slightly but not brilliant, the turbo can be heard starting to spool but then cuts out until the throttle is released and depressed again.

    The car has been back to VW dealership around 6 times but they are not interested. An independent specialist has also had a look at the car with no joy. The independent specialist has checked all vac lines, and boost pipework. The map and mass air flow sensor have been changed. I have noticed the diesel rattle / knock to stop on regeneration cycles. Hopefully someone has a better understanding of these engines.

    I forgot to add, there are no warning lights or stored fault codes on the car.

    Many thanks
    Ash

  2. #2
    Administrator Crasher's Avatar
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    So it has had the emissions recall done then... Quote the disinterested dealer TPI 2043053/1 relating to "various complaints about engine after software update (Campaign 23R7)" and watch them squirm in their seat... Also TPI 2021663/25 should be carried out which deals with "Loud noises (pinking) when accelerating lightly between 1800 and 2000 rpm"
    2003 Skoda Octavia VRS Estate. APR 98RON remap, APR R1 diverter valve, Jetex exhaust, K&N panel filter, 7.5x18 Alutec Monstr wheels with 225/40 18 Uniroyal Rainsport 3 tyres.
    2006 Polo GTI 1.8T, APR 95RON remap
    1988 Golf 2 GTI 16 valve, 2.2 with Weber Alpha injection
    1983 Golf 1 GTI 8 valve, 2 litre with Eurospec racing 42/36 head
    1972 1302LS auto 1641cc conversion

    Vile Invention

    Dark was that day when Diesel conceived his grim engine that begot you, vile invention, more vicious, more criminal than the camera even, metallic monstrosity, bale and bane of our culture, chief woe of our Commonweal. How dare the Law prohibit hashish and heroin yet license your use, who inflate all weak inferior egos? Their addicts only do harm to their own lives: you poison the lungs of the innocent, your din dithers the peaceful, and on choked roads hundreds must daily die by chance-medley. Nimble technicians, surely you should hang your heads in shame. Your wit works mighty wonders, has landed men on the Moon, replaced brains by computers, and can smithy a "smart" bomb. It is a crying scandal that you cannot take the time or be bothered to build us, what sanity knows we need, an odorless and noiseless staid little electric brougham.

    W.H. Auden (1907-1973), A Curse:

  3. #3
    Administrator Keithuk's Avatar
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    First posts normally go in introductions else you could get a free fix and we never see you again!!!

    Your car spec says 0. Can I suggest that you add your car spec to your signature as it will save users asking every time, if you know the engine code that will also be great? Oh you can't do this of a phone. Adding your car spec

    Data Sticker/Options Sticker and Engine Codes
    2010 Golf GTD (170) CBBB, 5 Door, Shadow Blue (P6/D5Q), Transmission Code: KXZ, Flat Tyre Indicator, Basic Protection Pack + VCDS.


  4. #4
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    Thank you for your reply Crasher. As far as i am aware the vehicle hasn't had any emissions recall done, i have had the car since September 2018. I wasnt aware there was an emissions recall for the EA288 TDI engine (CUVC).

    Ash

  5. #5
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    Thank you for your reply Keithuk, sorry i was trying to navigate though the forum on my phone this morning as i was waiting for a site to open. I have now updated my vehicle information. please let me know if anything else requires attention.

    Ash

  6. #6
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    Did you get to the back of this problem

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