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View The Full Version : Rail pressure low Renault 1.5 dci



franco75
09-01-2013, 20:49
After you have mapped a megane 1.5 dci 100 hp if I pull the machine to the maximum at 3600-3700 rpm goes into alarm, but no it does not lose power. while doing this, I noticed that the rail pressure cala from 1590 bar to about 1470. there ? never happened that the pump nonregge the increase in flow?

chicco
09-01-2013, 21:50
I do not have much experience but perhaps you've raised the rail pressure but not his (or her)limiter.

carlo abarth
09-01-2013, 21:58
ori does nothing????

msport (exil77grande)
09-01-2013, 22:03
to give you some advice you have to post ori and mod otherwise, we speak only.

legendaryslave
09-01-2013, 22:34
has a pump delphy ? those don't make it because they are subject to particular wear and tear

msport (exil77grande)
09-01-2013, 22:35
I would say that they are all that have sti problems.

franco75
09-01-2013, 23:03
now I do not have the file, but the pressure in the rail map should not be a problem, ? was increased by 5%, but the maximum ? left at 1600. if the increase in the diesel fuel, the pressure drops, of course, from the original, and even slightly mappwta has no defect. I could solve abassando the rail 1550 maybe only by 3400 rpm then?

chicco
09-01-2013, 23:11
in fact, these pumps often have problems, we had a clio 1500dci that we used as the truck and in spite of his 50-60000km has always broken the boxes, then the problem and that you are the placement of the pump in the fuel injectors and many saluti.Secondo me if the pressure to leave the ori have only to gain from it.

legendaryslave
09-01-2013, 23:45
in fact, these pumps often have problems, we had a clio 1500dci that we used as the truck and in spite of his 50-60000km has always broken the boxes, then the problem and that you are the placement of the pump in the fuel injectors and many saluti.Secondo me if the pressure to leave the ori have only to gain from it.
you staquoto the big break the boxes from the original let alone with the most request

franco75
10-01-2013, 11:07
no one has tried to dargle river a prompting in any way?
you could try to increase the pressure in the input or the other?
Does anyone know at what temperature reaches the diesel fuel inside?

franco75
10-01-2013, 14:11
I send you the file, even if I the sea to understand that the problem ? mechanical type.

franco75
10-03-2014, 22:12
Guys worsens!!!! I put the rail pressure ori, diminuto the request, and I lowered the peaks from 1600 1550, it also does at 1800 rpm if I accelerate to the maximum.
I tried the map ori, it does the same.
If I put oil 2T synthetic in the tank, the wi-fi improves.
A year ago, did the same defect, but then you restore alone. In diagnosis, I found error P0089

autronica
11-03-2014, 02:42

franco75
11-03-2014, 09:36
the diesel fuel filter ? was replaced, prover? to clean the flow regulator. In this regard I wanted to ask you a question,
the regulator works in series with the circuit of the diesel fuel, reducing the flow of oil or works as if it were a bypass downloading the pressure?