in practice, many of my customers on-line and it came with mpps reading the file,editing it and then rewrite it gave the error and not the he wrote, " we then realized that many people who had this problem was the code control unit 01a, and the file 02a or vice versa,by placing the code 01a-to-02a or vice versa in hexadecimal the scrittra went to a good end.
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you did that test that I told you at the beginning of the discussion of the measurement rail pressure?
it could be normal...
the position of the egr valve ? stuck at 0% or still working?
I honestly do not know, the customer ? returned today and I was messed up... I have not been able to verify. Anyway, the valve I clean and should be safe to zero, it gives an error in diagnosis, and not me, does it cancel? the light does not turn on immediately, but after traveling a bit.
the light, I believe, does not turn on immediately, because before you turn on the light, the error must occur several times, after which the controller validation is that the error ? this really exists, and then turns on the malfunction indicator light engine