Finaly got my 1.8T AUM mapped.. but...

GregerseN · Apr 14, 2015

Oy Guys

I finaly got the time and the Money to get mine mapped! Im happy! But could be a bit more happy

End result was 196,5 BHP from my AUM engine..

I wanted it to do atleast 201 BHP (a mate wanted to bet with me it couldn't make more than 197 BHP by mapping.. i lost), but I have this fault code that I can realy feel and see in the curve - 17705 - Pressure Drop between Turbo and Throttle Valve (check D.V.!).. I can feel, when I put the pedal to the model, in 3rd, 4th or 5th, that the pressure drops a bit but then suddently comes back.. Before mapping it, it actually felt absolutely fine, as you can see in the curve... after mapping, its very easy to feel the pressure drop..
Also sometimes feels like it goes in limp mode/(emergency program)

Engine has run aprox 122.000 KM, so not much..
It's 99% stock - only thing changed is the filter.. Cold air intake! (Y)

He said, it could do 200 BHP+ if I had changed exhaust and downpipe, and maybe more with a FMIC..

What do you Guys think? Also, any troubleshooting?

Gops · Apr 14, 2015

Did the mapper not check the faults? Shouldn't of mapped it if that code came up. There's a leak somewhere so check your pipes first

GregerseN · Apr 14, 2015

Oy mate
No, he didn't check anything at all ..

Pipes as in vacum pipes/boost pipes?

badger5 · Apr 14, 2015

return to mapper

GregerseN · Apr 14, 2015

badger5 said:
return to mapper

Return to mapper and do what?
In Denmark, you don't have any kind of warranty or anything, on these kind of Things..?
Anyway, it runs fine, but I just have to figure out how to fix the fault code, and when that is fixed.. it should create a few more BHP, I hope?

badger5 · Apr 14, 2015

GregerseN said:
Return to mapper and do what?
In Denmark, you don't have any kind of warranty or anything, on these kind of Things..?
Anyway, it runs fine, but I just have to figure out how to fix the fault code, and when that is fixed.. it should create a few more BHP, I hope?

return to mapper and revert to Std
they clearly have'nt done a very good job

faultcode 17705 is often related to map.. BUT MAF sensor can also trigger this

GregerseN · Apr 14, 2015

badger5 said:
return to mapper and revert to Std
they clearly have'nt done a very good job

faultcode 17705 is often related to map.. BUT MAF sensor can also trigger this

Brand new mass air flow sensor put on just 1 month ago, OEM VW.

Well, I believe they've done a fine/fair job, not their failt the fault code is there, is it? All I paid for was the map... The fault code was there before mapping aswell, just haven't been able to find a fix for it yet.
Paid 290 GBP.. Other than the pressure drop, it runs ok..

badger5 · Apr 14, 2015

GregerseN said:
Brand new mass air flow sensor put on just 1 month ago, OEM VW.

Well, I believe they've done a fine/fair job, not their failt the fault code is there, is it? All I paid for was the map... The fault code was there before mapping aswell, just haven't been able to find a fix for it yet.
Paid 290 GBP.. Other than the pressure drop, it runs ok..

the faultcode is mappable out
whatever makes you happy

I'm not arguing with you. its your car

GregerseN · Apr 15, 2015

badger5 said:
the faultcode is mappable out
whatever makes you happy

I'm not arguing with you. its your car

Sorry mate, not trying to argue either! Asking for advice - maybe some troubleshooting..?
When I erase the fault, it runs perfect.. so I guess I just need to find the fix???
What do you mean by "its mappable out"???

If I go get it reversed to standard program, i've thrown 290 GBP out in the blue air :-S

badger5 · Apr 15, 2015

GregerseN said:
Sorry mate, not trying to argue either! Asking for advice - maybe some troubleshooting..?
When I erase the fault, it runs perfect.. so I guess I just need to find the fix???
What do you mean by "its mappable out"???

If I go get it reversed to standard program, i've thrown 290 GBP out in the blue air :-S

Surely you should be asking this of the mapper?
you paid him for a map, car has issues, so he needs the opportunity to fix it, especially if he did no pre checks. Did you tell him it had the same fault before mapping?

GregerseN · Apr 15, 2015

badger5 said:
Surely you should be asking this of the mapper?
you paid him for a map, car has issues, so he needs the opportunity to fix it, especially if he did no pre checks. Did you tell him it had the same fault before mapping?

Ehh.. Yeah, I told him it had this fault code, he said "no problem"... He has written to me he can do a fault search.. costs more Money ..

oldcar · Apr 15, 2015

GregerseN said:
Ehh.. Yeah, I told him it had this fault code, he said "no problem"... He has written to me he can do a fault search.. costs more Money ..

I looked your dyno curve, the torque curve after remapping is not as flat-smooth as stock...otherwise, you can easy extend your shift point to 7000rpm instead of 6500rpm......
The guy who did your mapping is really cunning, normally, the map should look after their customers without charging any extra, especially its the fault codes after remapping. I would talk to him again...

Lavis89 · Apr 15, 2015

A good mapper/tuner/whatever you want to call them will smoke test your car to check for leaks & sort out any error codes before mapping the car.

oldcar · Apr 15, 2015

Here is the answer for your boost leak...investigate....http://www.vwaudiforum.co.uk/forum/showthread.php/56577-17705-fault-code-Help-please-!

One thing to add, may be its your stock diverter valve.

GregerseN · Apr 15, 2015

oldcar said:
Here is the answer for your boost leak...investigate....http://www.vwaudiforum.co.uk/forum/showthread.php/56577-17705-fault-code-Help-please-!

One thing to add, may be its your stock diverter valve.

I am having huge trouble getting mechanics to understand what a Diverter Valve is, on Danish..
Is this also known as the dump valve, or am I completely wrong?

Lavis89 said:
A good mapper/tuner/whatever you want to call them will smoke test your car to check for leaks & sort out any error codes before mapping the car.

Well, this is possible even after mapping, isn't it? I'll take contact to a mechanic and ask them to smoke test the system.. Anything in particular to smoke test?

oldcar · Apr 15, 2015

GregerseN said:
I am having huge trouble getting mechanics to understand what a Diverter Valve is, on Danish..
Is this also known as the dump valve, or am I completely wrong?

Here is the pic mate...http://www.ebay.com.au/itm/NEW-OEM-...52?pt=LH_DefaultDomain_15&hash=item35d4974610
What psi you running after remapping???, stock DV holds only around 15psi and starts to drop boost as you shift up towards red line. You might need a forge DV-yes cost more money. Forge ones you can change springs according to your boosts. I am sure TUFFY will help you on that...haaaaaaaaaaa

GregerseN · Apr 15, 2015

@oldcar - either im running 1 BAR or 1.1 BAR ...

badger5 · Apr 15, 2015

GregerseN said:
Ehh.. Yeah, I told him it had this fault code, he said "no problem"... He has written to me he can do a fault search.. costs more Money ..

more money to do a check after he's mapped it without performing thorough checks first?
He's on a winner money wise if he can ask for money every time he looks at your car

Smoke test on intake is what we do, it reveals leaks well

GregerseN · Apr 15, 2015

badger5 said:
more money to do a check after he's mapped it without performing thorough checks first?
He's on a winner money wise if he can ask for money every time he looks at your car

Smoke test on intake is what we do, it reveals leaks well

Thanks for that suggestion mate!! Will do that: do you inject smoke into the intake manifold, or elsewhere?

Well, everything is about Money in Denmark, no one will help you just to help you - neither will they, they'll want more Money.. They are the cheapest mappers in Denmark, taking 290 GBP for a OBD Map.. Everyone else takes aprox 385 GBP..

badger5 · Apr 16, 2015

GregerseN said:
Thanks for that suggestion mate!! Will do that: do you inject smoke into the intake manifold, or elsewhere?

Well, everything is about Money in Denmark, no one will help you just to help you - neither will they, they'll want more Money.. They are the cheapest mappers in Denmark, taking 290 GBP for a OBD Map.. Everyone else takes aprox 385 GBP..

smoke onto maf on intake is where we do it

GregerseN · Apr 16, 2015

badger5 said:
smoke onto maf on intake is where we do it

I might sound extremely stupid, but what is this "maf"? ..Mass Air Flow?
And then just smoke it in towards the motor, and the smoke will spread around the system, or am I wrong?

daz-20vt · Apr 16, 2015

17705 is a common issue after having these engine codes mapped
no fix apart from it being mapped out (or properly)

i did the same
local mapper
got the code and spent months and hundreds chasing a fault that didnt exist.

badger5 · Apr 16, 2015

yes MAF = Mass Air Flow

you pull a vac pipe off the fuel pressure reg or DV and when smoke comes out of that one you know the system is full, you put the pipe back on so pressure can build and look out for smoke

Finaly got my 1.8T AUM mapped.. but...

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