Hello all, Just before christmas I was unfortunate enough to have the injection pump fail on my 02 Audi A4 2.5 tdi avant 155 Sport. I had the work done by an injection 'specialist' in west bromwich. He managed to get the pump refurbed etc and fitted it back on, however I am fairly certain that when he set the injection pump timing, he did that manually because I dont believe he has the proper VAGCOM tools to be able to set the timing dynamically, which after much research, I have found out is needed. Anyways, trying to get a straight answer out of this guy is basically impossible, so I have decided to stop faffing about with him and get the problem sorted. I have the car booked at http://centralaudivw.co.uk/ and on the phone to them they have quoted me 105+VAT for setting the injection pump timing. My first question is : does that seem a reasonable price? I did ask the guy if they would be able to check if the timing was out first before doing the job and save me some money in not fixing something that aint broke and he told me they could run a diagnostic for 40 + VAT. This leads me on to my second question : Would an incorrect injection pump timing show up on a diagnostic check? The background is that when I got the car back after the injection pump work, it seemed ok at first, but sometimes when I floored it, it seemed to misfire like fuel starvation, and occasionallly it would tremble slightly whilst idling at the lights. I thought I could live with it, and I did, but now the problem is constantly there. At about 1100 revs the car seems to judder and shake on acceleration and worse on deceleration and still it does occasionally jump around like a crazy horse when I try to floor it. When taken back to the original 'specialist' who did the pump, he has said it could be the tandem pump, but he is not willing or able to show me the car timing which I believe is the way to set the timing on the V6 http://www.ross-tech.com/vag-scope/TDIGraph.html Am I right in assuming that the above is the correct way to set the timing for my car? My last question is that if the injection pump timing were out on this car, does this concur with the symptoms I have described above. I am most grateful for any input on this. Thanks for reading.