v6 tdi

  1. S

    Audi A6 C5 2.5 TDI – Hot starting problem and intermittent 00550 injection timing fault – VCDS log attached

    Hi everyone, I'm hoping someone with experience of the 2.5 TDI V6/VP44 injection system can help me diagnose a problem with my A6. The car is a 2004 Audi A6 C5 (4B5), 2.5 TDI, and I've owned from new. The engine is the AKE/BDG-family 2.5 TDI with the Bosch VP44 injection pump. The car has...
  2. J

    3.0tdi V6 B8 reliability/ chains

    just recently picked up an audi a5 on 138k off my friend, it’s currently stage 1 map and gearbox, dpf, egr, swirl flap delete mid to back exhaust (sounds awesome). service history looks okay with mileage being around every 10k, drives like it’s done half the mileage, it’s a ZF6 I think...
  3. G

    2.5 TDI V6 High IQ Deviation values

    After injectors rebuild with brand new nozzles i get really high Devitation values but the actual IQ is withing spec. 2.20 mg/str Injection Quantity Deviation Cyl. 1 2.35 mg/str Injection Quantity Deviation Cyl. 3 -0.31 mg/str Injection Quantity Deviation Cyl. 5 2.35 mg/str Injection...
  4. 5

    2019 A8 50 3.0 V6 TDI remap in scotland?

    Has anyone had the 50 3.0 v6 tdi remapped? Im looking to get it done but struggling to find a place that does it at the moment.
  5. L

    Heating blows COLD ONLY, engine temp etc all normal... Help!

    Hi all, I have a 2.5 TDI V6 A4 Estate and the heating blows only cold air out! The engine warms up to 90 within 10 mins or so, does not over heat and runs like a dream. Garage has checked over the radiator etc and no issues there and they reckon it could be that the thermostat is stuck open...
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