grxtreme

I recently bought a n14 gti 1992mod,this car told me that have unkown agressive cams and high compression,full exhaust,stock maf and injectors.
The ecu have allready a daughterboard installed but the problem is that the car works too rich(8:1) and pull very bad.
The strange is that i read the two eproms(27c256) and i saw fuel and timing maps in strange locations comparing them with an original bin i have.
I'm attaching the .mod bin to give me some help.
Is it normal the daughterboard have two exactly identical eproms?
I tried to put another bins wich made from the stock rom and the car got into limp mode idling 2500rpm,then i put again the eproms the car had and again the car is in limp mode like don't see the maf at all..
Please give me your lights to solve my problem and fix my car.

Attached Files

nissan1.bin (32.0 KB, 7 views)

grxtreme

nobody have any idea?
take a look please..

dfddfd2

Two identical chips is completely normal. The bin you posted is corrupted and will definitely not work.

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grxtreme

Yes, i saw that something is wrong.
The specific file was read from the two eproms and the car working without limp mode..!!!
Do you think that something went wrong when i've read them with programmer?
Maybe that's the problem...
Anyway if you say that the two eprom must have the same image then i'll make another file from the beginning but which stock file i must use for base file?
The base filr is also 32kb and after the changes i'll make i'm just write as it is to both 27c256 eprom you are saying?
i'll post some stock file to tell me if it's ok or post if you have another please.
Thanks for your interest!

Attached Files

N14_SR20DE_68C00_MT.bin (32.0 KB, 8 views)

dfddfd2

That bin is fine. It's a stock, unmodified 68C00 bin. Burn it into both chips and give it a try.

grxtreme

I'm attaching photos of daughterboard and ecu to identify the type of board and ecu for original stock file.
Thanks again for your help.

Attached Thumbnails