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View Full Version : 1.9 TDI ALH 90 ps Problem with boost Limmiter i dont know



Trice1001
4th October, 2020, 12:18 PM
Hey guys,
I have Problem with this shit car i dont know where is the Problem.

Car going in Save mod after few second drive and no boost with error " Boost to high"
I have log the car and all are ok.

I have change some limiter and SVBL too .
The Problem is 1 Year and 2 Differenz cars with same ECU and same Engine.

Hope Someone can help what i oversee :D

In .RAR stock file and a test file .

it does not matterit does not matter

teerak2uk
4th October, 2020, 12:32 PM
Car is ok on stock file?

Trice1001
4th October, 2020, 12:32 PM
yes , what i say 2 differenz cars. with same endigne end ecu.

The first car is my old 1.9er for 5 or 6 years other tuner have made stage 1+ same problem ! after 5-10 seconds on highway car going in limp mod boost to high.
the other car is from my brother and now im self tuner make lots of cars no problem only this typ of ecu and enginge.
I dont know where is the Problem.

familiozo
4th October, 2020, 02:34 PM
Hey guys,
I have Problem with this shit car i dont know where is the Problem.

Car going in Save mod after few second drive and no boost with error " Boost to high"
I have log the car and all are ok.

I have change some limiter and SVBL too .
The Problem is 1 Year and 2 Differenz cars with same ECU and same Engine.

Hope Someone can help what i oversee :D

In .RAR stock file and a test file .

it does not matterit does not matter
Mate your car is stock?Boost map +500,if you want 60mg need to extend diagnostic limits for this car is 51mg.

Trice1001
4th October, 2020, 03:31 PM
Gt1749vb 220er noizzle..
Its only a test file only for search the Problem.

Problem is by absolot stock engine and tune enginge after stage 1 or some change in boost maps/limiters car become the problem after drive a few seconds /miniutes limp mod with boost to high.

familiozo
4th October, 2020, 03:53 PM
Gt1749vb 220er noizzle..
Its only a test file only for search the Problem.

Problem is by absolot stock engine and tune enginge after stage 1 or some change in boost maps/limiters car become the problem after drive a few seconds /miniutes limp mod with boost to high.
Look here 78bae

Trice1001
4th October, 2020, 04:26 PM
i have look but i dont now what you mean.

There is no 78bae

familiozo
4th October, 2020, 04:36 PM
i have look but i dont now what you mean.

There is no 78bae
Map linearization 78bae,also what is your p code for boost high.

Trice1001
4th October, 2020, 06:30 PM
p code i must look läter
car have 3bar map sensor

map linearzion wrong ? 300-3000 ?

familiozo
4th October, 2020, 07:01 PM
p code i must look läter
car have 3bar map sensor

map linearzion wrong ? 300-3000 ?
200 3000 i think

Trice1001
4th October, 2020, 07:09 PM
but problem is with stock map sensor and stock lineazion too.

familiozo
4th October, 2020, 07:19 PM
but problem is with stock map sensor and stock lineazion too.
Use fault code from vcds or what tool you use to solve the problem.

Trice1001
4th October, 2020, 08:01 PM
delfhi 17965

familiozo
4th October, 2020, 09:04 PM
delfhi 17965
This is common problem,solution is check all hoses,pipes vnt for stuck, n75 valve ......

Trice1001
4th October, 2020, 10:44 PM
hmm ok i will check N75 and all again.