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Author Topic: does anyone elses 20vt do this...  (Read 1020 times)

Offline Rod1-gti

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does anyone elses 20vt do this...
« on: 26 June 2013, 17:47 »
On odd occasions, when starting from cold, she revs to about 1250rpm (choke) but after a few seconds it hisses, almost like a pressure valve has released. just curious as to what it is as it doesn't do it all the time.
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Offline WadGTI

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Re: does anyone elses 20vt do this...
« Reply #1 on: 26 June 2013, 20:24 »
Get the idle control valve and give it a clean...see if it clears up.

Mines does it now and again on cold start but usually drops quickly. I need to do my valve. :smiley:
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Offline Rod1-gti

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Re: does anyone elses 20vt do this...
« Reply #2 on: 26 June 2013, 21:26 »
Cheers boss, ill give it a try  :smiley:
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Offline Jin_C

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Re: does anyone elses 20vt do this...
« Reply #3 on: 26 June 2013, 22:04 »
I dont think there is an idle control valve on the 1.8t's only throttle body.
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1.8T AGU, K03s, 007p, pipercross panel filter, G60 + VR6 clutch and flywheel, silicone TIP, decat + boost hoses, JOM coilovers

Offline 52GTIPETE

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Re: does anyone elses 20vt do this...
« Reply #4 on: 27 June 2013, 13:15 »
It will be the PCV for sure. Mine did this with a split in the small pipe from the PCV to the inlet manifold.
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Offline Rod1-gti

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Re: does anyone elses 20vt do this...
« Reply #5 on: 28 June 2013, 12:06 »
PCV = Pressure control valve I assume?
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