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Ah hm, i'll have to measure my air flow values - my throttle body has been reset one time. Will be interesting if your error disappeared.

Which ECU software are you on? 0080 or 0090?
As i replaced the valve for the airbox flap today i have to test a few more days but i think the error still exists as the last logs showed.

sounds like my problem described here http://forum.rs246.com/viewtopic.php?f=35&t=89949

@Doug_S2
I still have the above error code - vacuum system should really be ok now. Maybe it is the manifold gasket on bank 1? I heard somewhere that this can produce a similar error?

Or maybe it's the either the intake manifold runner control valve or the secondary air injection valve?

Seems strange that both, Audi UK and US have such nice replacement programs. In Austria they "don't know" the problem and there is no replacement if you are beyond the 2 years Audi warranty.

You can start with http://www.jlosee.com/images/RS4/PDF/TS ... fold-1.pdf - i checked my system with this guide.

I used a pump like this one http://www.ebay.co.uk/itm/Hand-Held-Vac ... 45ffe50b71

@quattrosteph
hm, will try that - mine are completely stuck. Tried one can of wd40 - no result.
I also checked but there is no vaccum leak because of the disconnected hoses - i plugged it up and there is no leak.

Thx Doug, checked with a vacuum pump this weekend and found the leak - it is the line to the airbox. Replaced the 4-T with a 3-T and deactivated this line. After a few hundred km we will see thx!

Any updates on this: 1 Fault Found: 008568 - Bank 1; System Too Rich off Idle P2178 - 002 - Lower Limit Exceeded - Intermittent Freeze Frame: Fault Status: 00100010 Fault Priority: 0 Fault Frequency: 11 Mileage: 96875 km Time Indication: 0 ? I also get this error code like every two weeks after clea...

Sounds familiar. Mine also got stuck and there was no way of reactiviting them. Also unplugged them to be open all the time. I heard one might loose some low-torque but i don't know if that is correct.

Hi,

should have stopped by earlier driving the RS4 for 2 years and 50tkm so far. Problems like exhaust flaps not working etc. sound familiar ... overall a great car - makes fun every day.

-Michael

very nice vid!
who is the one with the 435ps? Would be interessting which mods etc.