Boost - 12 years in and it’s still a ball ache

4.2 V8 40v biturbo - 450 bhp
4.2 V8 40v biturbo - 480 bhp (plus)
User avatar
Shoppinit
Cruising
Posts: 19832
Joined: Wed Dec 31, 2008 6:24 pm

Re: Boost - 12 years in and it’s still a ball ache

Post by Shoppinit » Sun May 08, 2022 9:43 pm

When you reset the error codes it also resets the trim values. Takes a few miles to calculate the trim. That’s probably why it’s zero.

Could be you’ve got a turbo that’s not boosting. The other turbo pushes air back up through the other MAF which is why it reads zero, or funny values.
Daytona RS6 C5 Avant. Viper'd, Billies, Waggers, MTM box brain, C6 stoppers, xcarlink, R8 coolant cap (woohoo)
///M3 E46 | XC90 (V8, natch) | Passat GTE | RR Classic V8 flapper
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair."

Post Reply

Return to “RS6 / RS6 plus (C5 Typ 4B) 2002-2004”

Who is online

Users browsing this forum: Google Adsense [Bot], Marcin, Shoppinit, srichards, steve2003rs6 and 214 guests