timrud

Is it easy to remove a remap done to one of these? Basically car needs to go for warranty work, and the map would be a possible get out for the dealer. After removal can they tell it was there?

JamesH

iTrader: (21)

Depends who did it and how it was put in? If done through the OBD port they reckon it should be untracable...

Matt Evans

They reckon..... until they road test it with the diagnostic hand held plugged in, and it records peak boost pressure!

My octavia tdi was the same - for all intents and purposes, was a standard car, the only way they could detect a re-map was the peak boost.

mind you if the map is reverted to standard, it shouldnt boost as much so shouldnt be noticed???

timrud

Thats what I was thinking, it obviously has a higher peak boost.

If I whip the ECU off the car can I take it somewhere for it putting back to how it left the factory?

Matt Evans

Your better off taking the entire car somewhere and letting someone do the lot in one go.

Whats wrong with the car then? That needs dealer warranty work?

timrud

The car isn't driving anywhere in a hurry

Came off a rounderbout last night, started to accelerate in 3rd, then BOOM, most amount of smoke I have ever seen, total loss of power. Rolled in neutral into a laybay (no oil light on at all), then it cut out just as I got in to where I could park. Engine wouldn't even turn over after that. Checked dipstick and oil was not even registering on it.

My guess is the turbo has shat itself, in turn doing the engine. It's already had one new engine in it before!

Car is an 07!!!

AlexF

Who did the remap?

You need your original file putting back into your ECU - not just any old golf file!!!

Alex

JamesH

iTrader: (21)

I was told when getting my remap that peak boost would only increase by a couple of psi

And that sounds bad

AlexF

A couple of psi is nothing... its only there to cut the smoke down a little....

Alex

Barry_GTi

Boost isn't as a big a deal in diesels, more boost with same fuel will normally mean it actually runs cooler. It's excess diesel that creates heat and cylinder pressures.

I swapped a 1.9tdi 2007 Passat engine last week due to the valve seat falling out the head and destroying number 3 bore, eventually locked the engine up.

Had a 2.0ltdi that had done 40km, that is forty km not 40,000 and it had run a bearing..

timrud

I have phoned the place who mapped it and they said they will revert it to standard.

TBH I am at a total loss what actually caused it. Or what is actually up!

andrewg

ive had cars back for warranty and some were still mapped,, even got new engine in one that still had the map in it,, usually the worst that happens is they re flash it with updated software

JamesH

iTrader: (21)

I know its nothing, which is what I was getting at, with regards to them taking the car out and recording peak boost to see if its been remapped

AlexF

I get ya James!

I very much doubt they would bother tetsing for peak boost after fixing the engine....

It sounds like the turbo has popped thats all.

Alex

timrud

Definitive answer please!

I know Alex has said I need to go to where it was mapped to have the cars original file put back on. Is this 100% as it is a few hours drive away! And can you just take the ECU? As the car deffo not driving down

timrud

Issue is I feel they are going to look at any way of not paying. The car has done over 70k so is out of warranty. However it had a new engine last October. Phoned up and kicked off, saying engine should not go after 10 months etc... and they are saying bring it down and we will look at it.

I'm worried that its turbo failure which has caused the engine failure. How do I stand on this? And also the map could give them grounds for not paying, so that needs to be gone.

andrewg

i'm pretty sure another file could be put in as long as its the same software version

and you could def just send the ecu as they should have an adaptor like this

ballin

iTrader: (1)

If it was mapped by the OBD then it can be reverted back, but you will need to take it to the place that originally mapped it.
I'm pretty sure they will want the car though, as otherwise they will have to put the ECU in another Golf to flash, and thats not likely.

andrewg

not with the above adaptor its obd direct to ecu on the bench

timrud

Nice one guys I'll keep you posted!

I have phoned 5 places up now and they are all saying the dealer will not know it is mapped. Either they are all lying or they are right

Think I'm going to send the car back to dealers this afternoon as it is.

lloydmotorsport

iTrader: (1)

should have gone to evolution chips lol.

the remapper should have a copy of the original file,and they can be done removed from the vehicle.
if you are going to have the map reset because of warrenty issues,then make sure they reset the counter in the ecu,it records how many times the map has been changed.

lloydmotorsport

iTrader: (1)

yes the dealer will know its been remapped,unless you reset the counter

AlexF

OK definative... as a evolution chips agent...

You can rear/write your ECU on a bench IF you have the right equipment.

I would not be happy putting the wrong file back in - I don't know if your injectors are coded for example - so just matching the software, upgrade soft and hardware numbers might not be enough. Thats of course assuming that someone has the exact std file you need.

So in short you MUST go back to where you got it done unless you want to risk locking out the ECU.

Just ring the guys who did the remap and ask them what your options are....

If you'd used me for example I would happily come to you - hell I've done one at the side of a main road before now for similar reasons!!!!!!

Alex

RS Grant

iTrader: (1)

Ooooh thats ballsy Tim......

Just kidding, as someone said, they're hardly likely to test the car after they've fixed the problem.. and they can't test it just now since the car is effectively dead.

Even if they did test it once it was back running and said it was boosting high then plead ignorance (assuming you bought it used?) and say that if they were going to reject a warranty claim then you'd have never authorised the work to be done and take them to court over it.


Cheers,
Grant

AlexF

+1

if you didn't own the car from new how would you know

Matt Evans

You sure it aint a main boost pipe come off? That has similar effects on a diesel... loads of smoke, no power and a lot of the times they cut out.

Worth a quick poke round for 5 minutes?

timrud

I did think a pipe had come off. Lots of diesel going in with no air to mix it with = maximum smoke.

BUT!

It smelt oily, and I checked the oil and there was none on the dipstick. Put some more in, fired it up, it smoked like fuck again, then cut out and now will not even turn over. Sounded very big endy when I started it up after putting the oil in too for the first second.

timrud

I have bought the car off a mate but it is going back in as if it is his car as they buy a lot of cars off them, so have a good relationship.

The place it was mapped is in Birmingham, and I'm in Sheffield... with no car!! I have spoken to them and they were more than helpful, just too far away!

andrewg

bigendy can be diesel knock,,, vag's are bad for blowing the pipes off with them silly clips after remap

timrud

The car started back up once, then cut out. Now it won't even turn over. Would that be consistant with a boost pipe coming off? The bang it went with did sound like I was running over a bag full of air, and it was my first thought.

I managed to chug along in second gear at low revs for 200m or so.

Also where has the oil gone? It was half way up the dipstick on saturday, then when I first turned it off it was not on the dipstick. I put 2 litres in and it was just over minimum. Fired it back up it ran for about 10 seconds, gave it a tiny rev it spluttered and cut out. Then would not turn over.

I really really hope it is just a pipe!

Matt Evans

Especially the 150's!!! they were shit before being re-mapped.

timrud

This one is a 140, if that makes any difference?

Matt Evans

Just a later 2.0 capacity PD engine, still got poor design of hose clips. Worse when they are trying to contain increased boost pressure.

I hope it is something as daft as that, would save you loads of grief. Not sure about the dissapearing engine oil though...

timrud

No puddles of oil under the car, or any drips. Only place it has gone is out of the exhaust/back of the car.

Csm

Edited the rest as im too late in replying once posted LOL

2ltr PD TDI are common for engine failure i heard


And those clips on boost pipes are seriously pish as mentioned

rossco22

The bottom intercooler pipe came off my last a4 tdi pd 130, the car smoked quite badly and hardly moved was completly gutless & stalled a couple of times too when trying to move it, I must admit i did panic for a sec an till id realised what had happened ... As mentioned the method for securing the boost pipe work with metal clips is by know means a gd one & is well worth checking.... But by what youve said with the knocking noise & oil loss it does sound like yours could be something a bit more serious ....