Audi A4 19TDI missing juddering

[ozzbhai]

Hi just recently bougth a a4 and when weather got cold started to miss fire juddering and esp light came on was told by a machanic that glow plug gone so changed all 4 but still same problem then put injecter cleaner in the oil filter still the same after a few hours driving started running fine afte a hour started missing juddering again and the esplight came on. started it this mring and its ran pefect for half a hour and missing and juddering started again

Need some advice as have rang around and everyone is telling me a differnt fault .injecter down. loom. air flow sensor!

[kite]

Try posting in the right section, I doubt you car is a B8.
A fault scan is a good place to startwhen diagnsing faults, get it on vagcom...

[Crasher]

It will probably show an electrical fault on cylinder 1 injector which is normally just the in head wiring harness, cheap and easy to fix.

[ozzbhai]

It will probably show an electrical fault on cylinder 1 injector which is normally just the in head wiring harness, cheap and easy to fix.

many thanks for the advice