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Author Topic: intake valve deposits  (Read 1549 times)

Offline matsu

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intake valve deposits
« on: June 01, 2011, 08:14:07 am »
is this a problem for us?
 i came across this link
http://forums.vwvortex.com/showthread.php?4508464-Cleaning-intake-valves-deposits
after someone said about the gti- and i have not heard that any of us were having problems so i thought i would ask here?

matsu
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Offline _Nathan_

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Re: intake valve deposits
« Reply #1 on: June 01, 2011, 09:21:15 am »
I believe it is a problem for all direct injection engines, RS4s suffer badly with it.
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Offline gazbutS3

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Re: intake valve deposits
« Reply #2 on: June 01, 2011, 09:35:32 am »
This is why alot of people have been fitting catch cans and PCV deletes :smiley:
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Offline alexperkins

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Re: intake valve deposits
« Reply #3 on: June 01, 2011, 09:41:37 am »
That is messy!

I think I may take off my inlet manfold and check the intake valves as mines done over 60k now
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Offline lee_

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Re: intake valve deposits
« Reply #4 on: June 01, 2011, 12:53:21 pm »
Had to do this recently on my daily (Suzuki Swift) the inlet manifold was blocked up too and its only done 50k miles!
EGR looked the likely culprit on that rather than PCV though.
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Offline dmac1969

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Re: intake valve deposits
« Reply #5 on: June 01, 2011, 07:22:12 pm »
Yuck! That pic of the 75k city miles only car!! What a mess  :surprised:
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Offline fab5freddy

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Re: intake valve deposits
« Reply #6 on: June 01, 2011, 09:12:50 pm »
I'm using a STP additive every 5000km, do you think this will help or should i ultimately be looking at a catch can. Those pics are scary :scared:
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Offline GrayMK5GTI

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Re: intake valve deposits
« Reply #7 on: June 01, 2011, 09:18:58 pm »
AS it says above, these are direct injection engines which means your fuel additives don't go anywhere near the valves to clean them! Sorry  :ashamed:

Although I bet your injectors are clean  :happy2:
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