help, ur quattro broke down on the ring!

[robbie100hp]

The car only got 7km around, and then died wouldn't idol it rev'ed for a second or so and then cut out with my foot on the gas still. On the way over I noticed a stutter under full load. I managed to get to dover so I can get it recovered by in plugging the Maf any ideas fellas? Cheers

[caterpillar]

petrol pump are gone...

[robbie100hp]

No pump working fine drove it without the Maf connected so the car was on a safety map or something with no turbo. Standard car

[simons2]

Have you checked your boost pipes ?

[UrS4boy]

Standard car

Standard as in 20Vt RR or standard as in 10VT MC or whatever?

[robbie100hp]

Yeh sorry 20v rr iv had a good look around for that but didn't have time to take them off, I'll start with doin
g that when i get it back, would a small leak cause it to run really rough and blow black smoke out?
Any other ideas ?

[UrS4boy]

Yeh sorry 20v rr iv had a good look around for that but didn't have time to take them off, I'll start with doing that when i get it back, would a small leak cause it to run really rough and blow black smoke out? Any other ideas ?

Black = rich = missing air that went by the MAF but failed to show up at the engine = boost hose leak.

You might want to read the contents of this post (modify as needed to fit the RR situation):

http://www.s2forum.com/forum/showthread.php?t=63974&highlight=boost+leak+testing

[simons2]

Black smoke indicates rich running , aka boost leak