What is this?!?!?! :S

[lagz33]

Hi Guys,
Finally managed to get a pic of the suspect part that has been causing me terrible idling issues, to the point of stalling. And near enough non responsive throttle.
Plugged in it idles like a POS
unplugged runs fine yet bit groggy on a cold start.
What is it?
Do i need it?


BTW its the black block with Bosch on it and the cable dangling next to it

NO I WAS NOT THE SILLY **** THAT DECIDED TO PAINT LOADS OF ENGINE BOLTS RED AND VERY SLOPPILY AT THAT

[Billman]

can it be that it goes from the K-Jetronic or whatever it is to the cold start injector? Can it be that the cold start injector is stuck open?

[mrtat2k9]

I had the same problem with my 16valve I don’t know what it’s for but I’m pretty sure it’s nothing to do with the cold start valve. I ran without mine plugged in for about 2 months. But it makes the car over fuel I got a second hand 1 from audibits and it was still running ok when I sold the car about a year after. I think he’s got 1 now as well. Hope this helps

[lagz33]

So what did the listing say? LOL
Black block on metering head?????

[Nuvo]

The part you are asking about is called the differential pressure regulator. HTH.

[GazzaG60]

to my knowledge its to do with fuel limitations. not sure if its control pressure related.

did you pop over to the corrado forum? they are more skilled to help you here.

[lagz33]

Thats what it said on my autodata programme.
Anybody happen to have 1 kicking about??

[lagz33]

Can anyone else confirm its the differential pressure regulator???

[mitaka]

Yes, it's differential pressure regulator. See link below

http://www.audifans.net/modules.php?name=Forums&file=viewtopic&t=22390&highlight=preasure+regulator

[Nuvo]

Can anyone else confirm its the differential pressure regulator???

Why? Don't you believe me?

[GazzaG60]

nuvo is correct. its dependant on country the terminology differs.

once again pop over to the corrado forum for a 16v one. its the same unit. maybe part of a full metering head though.

of all the audis your engine type is the only one that will have that unit. i doubt there will be anybody on here with one spare.

best to source parts from those which would have them

[lagz33]

Lol i just didnt want to start buying stuff without being certain as there has been alot of undue stress,money and confusion surrounding this issue for me.
Appreciate all the info guys and i am gonna register on these other forums everyone keeps telling me about.
Thanks again everyone

[lagz33]

Got a quote from audi just for the fun of it.
£325 + VAT!!!