I for safety I always left open because? reading the experiences in the forums, but I have never found a confirmation to the 100% one or the other
I for safety I always left open because? reading the experiences in the forums, but I have never found a confirmation to the 100% one or the other
that I know the egr is used to raise the tempereture in fact, the malfunction produces in0intasamento early but I'll put my hand in the fire because egr is closed, we have exhaust temperatures higher
while the others are still talking about us, we have already solved the problem
GARAGE0864 ԼЄƓЄƝƊƛƦƳƧԼƛVЄ
It is true the egr off helps to raise the temperatures of the exhaust and to keep clean the fap when this begins to make the quirks in the long run it will clog the system.........
today I wrote the 159,the owner also wanted the mapping to make it more snappy.. the owner was happy!!!!!
thanks to all for helping me.
it is preferable to leave the egr valve is active with fap mounted to reduce clogging,because the gas is sent back into circulation,are less polluting to the fapOriginally Written by sno74
I have mapped several alfa 159 anke the 150 hp and egr off and dpf active...
of course you have to make the map balanced and recommend it to all of the first to do a forced regeneration...
Also, the EGR valve cause significant performance problems. The clogging ? caused by the recycling of the exhaust gases that leave the impurities? inside the valve.
Many of them, for the despair they have learned to take it apart and clean it by yourself, think of others have made to isolate it to a mechanic.
The problems caused by the EGR valve can be found from the poor yield of the car jerks and shakes are the first signs of a malfunction.
A system to slow down the process of contamination of the EGR valve ? the use of diesel fuels with a low sulphur content, as having an index of cetane superior to the classic diesel burn better and not generate too much particulate matter.
For a car that is used mostly in the city?, the particulate filter with the EGR valve are only two troubles.
You do not really understand something until you can explain it to your grandmother (Einstein)
It is true now these two systems are the troubles the most? big that the machine have at the moment resolve with forced regenerations but I will say that, if the egr is open also little in the long run clog the fap in some cases ? better to exclude using map to where ? can.....
to me, long ago they said the opposite thing to keep the egr if the car had the fap, because with the egr excluding the fap had problems to regenerate as it was more difficult to reach the temp to trigger regeneration. For? from what I read here instead of closing the egr is good for the fap in a certain part
everyone has their own theories then again, if you exclude electronically but the egr does not work regular not solve the problem in some cases of the egr if it remains 0 after the detailed diagnosis you can still cap? if it has an electronic control unit should never be detached to leave everything connected as in the original.....
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