Injectors noise removal 1.6 TDI CR

[S0nda]

Yes its clear now how many valves are there? for what its is this valve its for retention of fuel pressure or anything else

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You have to remove only that valve and re adapt - Minimum injection and thats all.


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[immokill]

I had same issue folow mk2gti foe valve I did login with VCDS while engine running go in bassic settings and select adapting injector minimum deviation quantity and leave car to rev and go in idle ........ When its done vcds will stop bassic settings.
That is all

[alonedark]

Si no te gusta ese ruido cómprate otro coche de gasolina y arreglado

[ASCM]

I had same issue folow mk2gti foe valve I did login with VCDS while engine running go in bassic settings and select adapting injector minimum deviation quantity and leave car to rev and go in idle ........ When its done vcds will stop bassic settings.
That is all

Which code do i need to enter in login addres to enable basic setings

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[Novik_UA]

On 1.6 you have to remove a valve on injectors pipes which it gets blocked always and you have to re-adapt with VCDS min. Fuel quantity and its done!

No injector noise anymore.


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After re-adapt injectors, need to restore back this valve or new one ?

[S0nda]

After re-adapt injectors, need to restore back this valve or new one ?

No need to restore the valve..
it can work without it..


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[fgperformance]

On 1.6 you have to remove a valve on injectors pipes which it gets blocked always and you have to re-adapt with VCDS min. Fuel quantity and its done!

No injector noise anymore.


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Hi, thanks for the reply. Are you sure about this? gives no problem without a valve?

[fabiendan]

Hello. Do you know if this valve still exist on newer 1.6 cr tdi ? I have looked on my 2 cars and it seems to be very different...
Many thanks 😉

https://www.digital-kaos.co.uk/forum...1&d=1679427837

[IonIon]

Hi,

Im one of the affected 1.6tdi cayc owner white te same issue (injector rattle noise) around 2000rpm.
Two years ago I replace all 4 injectors with the VDO ones and perform the dieselgate upgrade to 9979 sw version. Currently i made around 20k km with the new injectors.
After the deviation quantity was performed via vcds seems that the noise of the injectors were still present when the cooling temp is set around 90°. My i was thinking was an egr issue even there was no fault codes on it, so i decide to change. Nothing really changed except the vibration which gone when I stop the engine(the vacumatic valve was somehow broken).

I found out this thread where Sonda user mentioned to remove the injector return valve from the pipes since it could getting clogged and i do that. After that, the injector noise is completely gone witlut any quanity injector deviation (i will do it later).

I was courios whats inside of that return valve and i flund that nothing seems to be able to block it somehow. Inside there is a spring and a metalic ball which from my perspective it cannot be blocked.

So i think the real issue in this case is the dieselgate sw which injecting a bit too much fuel and the excess is returned and blocked by the valve causing the injectors noise.

Now im wondering if something will go wrong since this valve is a uniq valve flow direction..

[DADY21]

Hello all, is there somewhere valve on fuel pipes on DDYA? My injectors are knocking. No idea how to fix it... Replaced all 4, learned new fuel inject...