Blind spot

Bunson 1

Registered User
Hi guys it's been a while but i have a question, on my A6 Allroad 2.5 TDI on 05 plate It's Auto quattro there seems to be a bit of a lag when 1st accelerating it sort of does nothing for what seems a lot of pedal travel then it bursts into life. I just wondered if any of you guy have had the same problem & if you know what it needs. Many thanks Melv.
 

Seanchadwick2k3

Audi A6 C6 2.0tdi 2011 Sline Special Edition
Are you changing up a gear too early? Exhaust gases are needed to get the turbo up to speed and boost only starts coming on at around 2000 rpm. If your changing up too early revs drop too low and the engine speed needs to increase before you get boost
 

Bunson 1

Registered User
Hi I should have said from a standing start there is delay & being auto it can't be changing to fast , Can it??
 

amiram

A6 C5 Allroad 2.5L TDI Tip Still on air :)
Hi guys it's been a while but i have a question, on my A6 Allroad 2.5 TDI on 05 plate It's Auto quattro there seems to be a bit of a lag when 1st accelerating it sort of does nothing for what seems a lot of pedal travel then it bursts into life. I just wondered if any of you guy have had the same problem & if you know what it needs. Many thanks Melv.

Vacuum leak in Vacuum tube for turbo pressure control -N75,
pressure leakage from the intake manifold.
dirty MAF sensor
 
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