HELP!! please!! a4 2.5 tdi wont start

**Crasher** · 31-12-2007,03:50 PM

If it is the immob, he could re match it if he has a registered copy. How far away is he?

**stevo0582** · 31-12-2007,04:03 PM

Originally Posted by Crasher

If it is the immob, he could re match it if he has a registered copy. How far away is he?

he lives in the same village but bein the day and time of the year, its a bit tricky!!! is it possible that i have damaged his pump at all? i'm terrified of is as i know how much £ is involved with, is the immobiliser on the pump, i guess the only real way of knowing is diagnostics, prob jst have to wait till thurs!!

**Crasher** · 31-12-2007,04:24 PM

I didn't want to tell you this but I have seen a pump die due to fitting a tuning box. I used to supply Hopa tuning boxes back in the 90's and we supplied one to a diesel specialists in Nottingham for an A4 2.5 V6 TDI and it immediately fried the pump for no good reason. It was a complete *?~@!£% nightmare as the car was nearly new and getting Hopa to deal with it nearly made me go grey. It was never established what caused it; it had never happened before or since and is one of those periods in life I have tried to forget about.

**stevo0582** · 31-12-2007,04:37 PM

Originally Posted by Crasher

I didn't want to tell you this but I have seen a pump die due to fitting a tuning box. I used to supply Hopa tuning boxes back in the 90's and we supplied one to a diesel specialists in Nottingham for an A4 2.5 V6 TDI and it immediately fried the pump for no good reason. It was a complete *?~@!£% nightmare as the car was nearly new and getting Hopa to deal with it nearly made me go grey. It was never established what caused it; it had never happened before or since and is one of those periods in life I have tried to forget about.

This is not good, if this is the case theres no way am goin to be able to fund a new pump for this guy, its mad because we jst drove the car back in the drive removed the box plugged everthing back in and reconnected the battery, he jst check to see if it would start before goin for a coffee, and said fault occured!!! if audi cant find anything with the immobiliser am screwed because when my a4 broke down when i had it they all jst gathered round shaking their heads saying, "what eng code, afb def inj pump" that'll be about £2200 to fix, but turned out to be a low level sender, the car basically ran out of fuel!! i really dont have a good feeling bout this!!

**Crasher** · 31-12-2007,04:57 PM

You have got to get a fault code read done today or this is going to ruin New Years Eve for you, it may just be a silly fault. I wish I could be of more help.

**stevo0582** · 31-12-2007,06:05 PM

Originally Posted by Crasher

You have got to get a fault code read done today or this is going to ruin New Years Eve for you, it may just be a silly fault. I wish I could be of more help.

You've been more than helpful as usual crasher

!!!!! auch i'll jst have to chill out with a few beers, and forget about this guys car....... until i look out the window and promptly light a small camp fire underneath it,

thank you for the help its great to bend the ear of people who knows there stuff and maybe learn a bit more along the way, ie, leave the spanner work to the daredevils!!!

HAPPY NEW YEAR folks will let y'all know the craic with the car next year!!!

**Crasher** · 31-12-2007,08:30 PM

Good luck.

**stevo0582** · 03-01-2008,09:16 PM

hi folks, jst to update on the 2.5 tdi non starting problem, turns out we bent a pin on the ecu when we were trying to reconnect the ecu multi-plug, so it jst goes to show that you really have to be careful on refitting any electrical connections, a lesson learned!!! thankyou to all who replyed an helped with thier experiences and suggestions..

**Crasher** · 03-01-2008,09:28 PM

I am really pleased it was that simple.

**AutoTDI** · 04-01-2008,08:27 PM

It looks as if my earlier diagnosis was correct. If something stops working after disturbing connectors then I would always examine the connectors very very carefully before jumping to conclusions. Its happened to me so many times and usually when I'm in a hurry.