p0299

  1. P

    Turbo underboost issue P0299

    Good evening, i am turning to everyone here that could give me an explanation other then what i have been told so far by 2 mechanics. I have a 2008 Audi A6 C6 2.0 TDI and for the past 2 weeks i keep getting a flashing glow plug light constantly coming up, no EML light though and car also going...
  2. G

    p0299 Control Range Not Reached

    The car is an Avant 2.0 TDI. I've been trying to solve this pesky fault code that frequently results in limp home mode. So far I've replaced two charge pressure hoses. One had a pretty nasty tear, but clearly wasn't the only culprit. I was hoping that someone smarter than me would be able to...
  3. pelhamsdetailing

    Car lacks boost above 3,200RPM (3.0 TDI - CAPA)

    Hey there guys. So my car seems to be lacking any boost or push above 3,200RPM when doing a full throttle pull in third gear. It struggles to redline. I can hold it there in third with my foot to the floor down the dual carriage way and it just cannot do it. Lower down it comes on early and...
  4. B

    2007 BMN Diagnosis thoughts Boost, Intake or EGR?

    So, I recently got a P0401 Exhaust Gas Recirculation (EGR) System: Insufficient Flow Detected. Stripped and cleaned the EGR but mil light returned on test drive. When I cleared the fault when warm, mil light did not return during several hours of driving until cold start. Then back on...
  5. Rid

    Hi I’ve Just joined & saying hi.

    I’ve currently got a couple of A4 Avant Quattro workhorses which I’m planning to keeping going; a 2003 2.5 Tdi (180) with 215k miles and 2008 2.0 Tdi (170) with 140k miles and now a P0299 problem.
  6. Sarah_Georgey

    A4 2.0 tdi quattro P0299 loss of power

    Hi team, Sorry this may be a long one..... I bought my Audi A4 2.0 tdi quattro off of a friends Dad in October - full Audi service history and he took out the extended warranty...because he could. Car drove fine for a couple of months then suddenly started playing up. When accelerating it...
  7. M

    Help Please Turbo Underboost After EGR Delete

    Hey all, I have an A4 B8 2.0 tdi (CJCB) which has been experiencing many issues recently. Initially, the car went in to limp mode because of the EGR becoming blocked. After failing to attempt to clean it due to the EGR valve for this particular engine being combined with the cooler, I resorted...
  8. N

    Turbo Underboost Diagnosis

    So I would like some help in diagnosing a periodic underboost issue and intermittent limp mode please. I have an A3 8P TDI CR 2.0 140 with 118k on the clock. My driving style is more to the italian side than miss daisy and the car does primarily motorway miles (in the region of 600mi a week at...