The failure of Rail Bmw 320d edc17 177cv

Hi, I have a problem on a machine, I mapped a 320d 177cv, I made a map nice boost,but without touching pressile rail and limiters, and in the moment that I enter the 4 or 5th gear the car goes into recovery and in addition to the usual errors of luca stanca that do not give any trouble diagnosis I receive the error plausibilt? rail pressure.
The car is in the recovery of past 3500 rpm, I have to say that to 1600bar the injectors are open to 1000 uS, and 1800 to 950uS.
Not ? a catkin excessive as to go the high-pressure pump in gavitazione,and I ask you if you have had a similar problem and how you resolved it.

based on the calculation of the ecu c'? the difference between the rail pressure ,the engine torque or other...please review the map and possibly delete all the dtc (? an ecu is very smart...)

without posting the file ? difficult to tell you where you are wrong...

You are right, but unfortunately I can not post the file.

then you have to do is rivedertela and resolve..

in the meantime, I want to do a test to the customer by connecting a pressure gauge fuel pressure near the fuel filter, to see if in full acceleration, the pressure drops, I have some doubt on the pump to the low pressure in the tank.

connects a diagnosis and see all the values that you want
usually the car if you are not done with policy, take them immediately to the error

The map I have had to do to make it go fast, to test this, turn to the 2-bar fixed, and has downloaded 237cv to 3610 rpm and 48kg of torque, the problem ? during a test on the road as you insert the 5 goes in error, and it appears plausibilit? rail pressure, unfortunately this forum does not allow me to post the file since I am a newbie.

at least tell us if the map rail ? original and what you have changed, you said only the turbo 2bar

the rail ? the original, of course, I modified the torque limiters torque required in standard conditions and during acceleration,and ? very true to that read on the tour, I noticed that most riducevo the injection times, and later was faulty, same thing with the rail pressure, initially I had put to 1900 bar, after which? I have had to push to 1800, which would be the original value, the car with everything that goes on in the recovery, not a drop of smoke

The rail too high d? that type of problem, but no ? you have touched by mistake?

these cars are very sensitive you have torque limiters, as you have them increased.

probably in view of the flow controller of the pump ? forced to work in extreme conditions, and the control unit realizes that in order to maintain the pressure he's using the critical values. I think I have read somewhere, but I can't remember where and if the source was reliable, that these limits and the PID of the adjustment of the pressure are autoadattativi.

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Originally Written by megamind

The rail too high d? that type of problem, but no ? you have touched by mistake?

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absolutely no

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Originally Written by ugoboss

these cars are very sensitive you have torque limiters, as you have them increased.

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torque limiters maximum I leveled to 600 nm to disable them

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Originally Written by kingsnake

unfortunately this forum does not allow me to post the file since I am a newbie.

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Not, you can download up to 80 messages, but you can post

He tries to raise the rail pressure. However, as you said angel the file, you can post safely? the ori if nn and in the database, put it them ? then post only the link

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Originally Written by nox

He tries to raise the rail pressure. However, as you said angel the file, you can post safely? the ori if nn and in the database, put it them ? then post only the link

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the rail pressure if I raise the problem is compounded, however, I post the ori in the database, by the way I can't find the attach file to be able to upload a file, you know give me a help?

You have to go to fullscreen? advanced you'll see a small window with attach file, of course you have to zipparlo ,

Thank you, I upload it tonight now that I'm not at home

you provatoad raise only the limiter of the rail?
pnaus

No, it would be useless I think, however, now the machine will go? from pompista, terr? updated if the problem ? the diesel

I believe ke and from the map!!!

you can not make a diagnosis in the movement and struggle-leadership in the parameters?

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Originally Written by angelolsp

you can not make a diagnosis in the movement and struggle-leadership in the parameters?

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at the moment I don't think so why? the machine has got the client, I doubt that the problem is due to the map, why? pi? I close the injectors and the less I have problems with recovery

and see, keep us up to date ake xke not I have heard issues with the injectors on these

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Originally Written by angelolsp

and see, keep us up to date ake xke not I have heard issues with the injectors on these

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ok will do? know

Status., the machine ? went to the pompista, and according to the customer there were impurities? in a filter if I have well understood ? a retina, before the pump, rail, now the car will not be in distress, and tomorrow I have to try to grease it and you do? know.

I tried with the diagnosis, and when I require diesel creates a difference in the loss of 200 bar of rail pressure, in practice, when the machine requires 1700 bar measured from diagnosis 1500 bar, and the machine goes into recovery.
This machine is equipped with 2 pumps of low pressure and we have to see if the problem is on the pump in the tank or under the chassis.

The diagnosis makes me visualize in addition to the pressure objective that measured another fuel pressure, which tends to be stable at around 220 bar in the time that it requires diesel drops to 160 bar and the machine promptly goes into recovery.

but you have not solved? as never before was not in recivery and now we are going again? just try to raise from the map?

if you put the original drive is doing the same thing?

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Originally Written by angelolsp

but you have not solved? as never before was not in recivery and now we are going again? just try to raise from the map?

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It is, in practice, as I try to increase the time of injection problem

then the error is in mapping.. as I understand..

it is, in fact, ankio, I believe...

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Originally Written by alfajtd

then the error is in mapping.. as I understand..

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talking with a guy that in the past we fought told me that the pump in the tank on some models of 177 horses ? powered at 9 volts, the problem could be solved in the survoltare the pump to 12 volts

With the original map it works or not??

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Originally Written by tezzero

With the original map it works or not??

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With the original map is not to be faulty, as not to be damaged with a map soft, the problem occurs only when I cross a certain threshold of opening the injection

or better injection time, even with the original rail pressure

Then you have solved it?

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Originally Written by mirks

Then you have solved it?

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No, I've reduced pressure and injection times and I've left to lose

the car has a check on the manonissione of the couple, you should also find the diagnosis map wrong

I confirm that that says topracing. the torque limiters how much have you given???