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Author Topic: lumpy tickover  (Read 7544 times)

Offline Russ_leeds

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lumpy tickover
« on: April 29, 2010, 10:09:58 pm »
noticed when sat still sometimes the car is a bit lumpy. what i mean is it just judders now and then.
any ideas what could cause this?
cheers
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Offline Top Cat

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Re: lumpy tickover
« Reply #1 on: April 29, 2010, 10:15:06 pm »
Maybe coil pack on its way out.  :happy2:
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Offline Russ_leeds

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Re: lumpy tickover
« Reply #2 on: April 29, 2010, 10:18:20 pm »
will this be covered by warranty? if not do u know how much roughly?
cheers
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Offline ub7rm

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Re: lumpy tickover
« Reply #3 on: April 30, 2010, 06:48:41 am »
How lumpy is lumpy?  If we're talking about a small 'shudder' every so often with no change in the revs then this is considered normal for the 2.0T ...
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Offline winrya

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Re: lumpy tickover
« Reply #4 on: April 30, 2010, 02:25:46 pm »
Quote from: ub7rm on April 30, 2010, 06:48:41 am
How lumpy is lumpy?  If we're talking about a small 'shudder' every so often with no change in the revs then this is considered normal for the 2.0T ...

mine has a small shudder when just stated and revs are around 1200rpm which i can feel through the clutch pedal when pushed down.  The needle doesn't move and once warmed up there is no shudder at all.  This is a normal thing then?  Thing is, mine only started doing it over the past couple of months?
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Offline Richn83

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Re: lumpy tickover
« Reply #5 on: April 30, 2010, 02:50:08 pm »
Mine also has the slight judder every couple of seconds, only just noticeable if sat completely still.  Never really worried about it, and if others have got it then probably just a standard gremlin, as I have no error codes in VCDS, and no noticeable issues under normal or heavy driving conditions.  And I went on a little blast down the A20 last night to Brands Hatch.  :driver:
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Offline holepunch

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Re: lumpy tickover
« Reply #6 on: April 30, 2010, 04:00:56 pm »
Quote from: Richn83 on April 30, 2010, 02:50:08 pm
Mine also has the slight judder every couple of seconds, only just noticeable if sat completely still.  Never really worried about it, and if others have got it then probably just a standard gremlin, as I have no error codes in VCDS, and no noticeable issues under normal or heavy driving conditions.  And I went on a little blast down the A20 last night to Brands Hatch.  :driver:


Sounds exactly like my car!!
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Offline Russ_leeds

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Re: lumpy tickover
« Reply #7 on: April 30, 2010, 05:07:17 pm »
not really that noticable, almost like some1 tapping their foot every now and then. :signLOL: doesnt always do it just sum times. car drives fine no probs just wen sat still
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Offline cuzmk5

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Re: lumpy tickover
« Reply #8 on: April 30, 2010, 06:41:40 pm »
 just got mine back from been in at the local dealers for the same problem.

they was unable to find a fault, they said it shudders around 1300 rpm, they have contacted vw about it and will be getting back to me next week with what there reply is.  

i first noticed it a few weeks ago when the car is stationary.
Theirs no movement in the rev counter when it does it.

is this happening on ko3 and ko4 engine's?
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Offline Poverty

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Re: lumpy tickover
« Reply #9 on: April 30, 2010, 07:45:42 pm »
injectors and coil packs are the main culprits for this is its more than just the normal 2.0TFSI "stumble"
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Offline Richn83

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Re: lumpy tickover
« Reply #10 on: May 01, 2010, 06:59:32 pm »
mine is a K03
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Offline cuzmk5

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Re: lumpy tickover
« Reply #11 on: May 18, 2010, 10:03:18 am »
Had a fone call from Vw today. They seem to think that the dieverter valve is causing the shuddering on tick over. Shud be goin back in to have it changed on warranty next week. Will let you no if it sorts the problem.
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Offline DanGB

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Re: lumpy tickover
« Reply #12 on: May 18, 2010, 11:18:03 am »
Misfires are 'normal' on the 2.0T even on idle, so this is what it problem is. Im not sure how it could be the diverter value when there is no boost involed?
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Offline cuzmk5

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Re: lumpy tickover
« Reply #13 on: May 18, 2010, 07:32:11 pm »
Quote from: DanGB on May 18, 2010, 11:18:03 am
Misfires are 'normal' on the 2.0T even on idle, so this is what it problem is. Im not sure how it could be the diverter value when there is no boost involed?
.            This is what  I thought, when they rang me. They stay it also slighly shudders at 1300 rpm. It  Never use to do this so there must be a fault there somwhere.                         
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Offline jonnyc

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Re: lumpy tickover
« Reply #14 on: May 18, 2010, 07:37:13 pm »
Sounds like a vacuum leak.. Check the PCV and DV before anything else..
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