Great!
Another easy way to fool the injection system.
I dont need it becauso of the PC wich i quick adjustable manually if you want to richen the mixture. But maybe for someone who wants to save a buck its worth it.
I have not worked with VW but im a audi/ VW freak and i have owned about 20 golf cars and several audis over the years but my favourite is still the audi UR quattro -81 a silvercoloured one that i had 10 years back. Had to let it goe because of military duty

I still miss it...
Good work/ information ther kev!