[s-cars] Fuel Injector R&R

[Douglas Landaeta]

Yes, I used Witchhunter (google 'em) to clean and flow test / rebuild my RS2
injectors. The testing report will show you the difference. Mine was subtle,
but eliminated a potential emissions issue. If you know the history of
running a good clean fuel and you run a good cleaner, Lucas comes to mind,
then I'd just replace all the seals and leave it be (assuming there is no
known problem). In my case, It costs about $100 US for the peace of mind and
knowledge on the actual cylinder to cylinder slight variations, but YMMV and
a good cleaning may have dramatic results. BTW, a new FPR was my ultimate
culprit on my emissions issue.

Doug
'94 S4 Dahlback RS2+'d 117k miles

On Sun, Jun 7, 2009 at 7:39 PM, Tony Curran <tony.curran at sympatico.ca>wrote:

> Hi folks,
>
> I now have 175000kms on my S6 and was wondering if the spray of the
> injectors can be improved by removing and cleaning. Is there a recommended
> method for doing this? Or just run a bottle of cleaner in with the gas?
>
> There's a company advertising on Ebay UK where one can send them to for
> "ultrasonic" cleaning - anyone heard of this process before?
>
> Cheers,
>
> Tony
> 96 S6
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