lumpy

Hi guys, 2.0 TDI BRE. I’ve got an issue with lumpy idling and white smoke when the engine is cold. The issue goes away once the engine is warm. I’ve looked at the injector correction vales and it’s seems to me cylinder 4 could be a potential issue. The worst value when cold on injector 4 was...

Hi guys, 2.0 TDI BRE. I’ve got an issue with lumpy idling and white smoke when the engine is cold. The issue goes away once the engine is warm. I’ve looked at the injector correction vales and it’s seems to me cylinder 4 could be a potential issue. The worst value when cold on injector 4 was...

I have been experiencing an underboost issue , so today i replaced the dv (reg G) with rev D. Yes a down grade, however I didn't know what was on my car. On a side not, the solenoid on the DV valve was the issue, the seals and gasket looked brand new, however with ODB11 I couldn't make the...

Hi guys, please help if you can? I've started to have issues with my Audi A4 B7 2.0TDI s-line where up to 2000 rpm the car is lumpy and has loads of black smoke out the back until the turbo kicks in at 2000 rpm. Above 2000 rpm the car goes like mad as the EGR valve was shut off when the car was...