RomRaider

You say its rich after start. Did you change you cranking and warmup tables ?

The subject only concerns the change of MAF from BMW to MAF with Nissan. Earlier, I did a lot of changes, because my engine is not standard, but it has been going for a long time without any corrections.
The time has come to convert the MAF before setting up a turbo. I see that it does not erroneously calculate the load. I still add logs as it was before on MAF with BMW.

Is it known when the new map (alphaN) will be available for editing?
I ask, because if I do not find the solution for my erroneous load conversion for the nissan MAF then I will need to go towards stand alone.
I do not know if ECU 861 does not have certain limitations because I encounter problems that other people have not described before.

I'm not sure how its done for the maf change, but have you edited both fullread and partial read MAF tables?
As its seems to be in both, but at the same Hex adress.

yes, first I flashed full with setting to 2048 mode and map 2048 (edit), then partial with my changes and the same map 2048 (edit).

Also did you validate your MAF changes saved? The MAF table needs a user level of 3 or above

If this is running rich your maf is reading to high of a load compared to reality.
Plus the fact that your injectors at low PW may not be linear either and flow more fuel than expected.

I have a user level 4. I read from the ECU what was saved and compared with the bin that I programmed it - no differences.
Ecu sees the voltage from the MAF from Nissan, sees 0.16V when the engine is not running instead of 0.11V as on the factory MAF. When I disconnect the resistor, it sees 0.20V. The engine load is getting better, but it is still not enough.
I wonder if the problem is not the MAF error, which is registered immediately after starting the engine. Ecu sees a changing voltage on the MAF when adding gas but the load is wrong. I tried to disable DTC8 - and change the MAF plausibilty, however, the MAF error still is saved.
Can any of you get me full and partial, on which Nissan MAF works properly with or without a resistor?
I would be happy to see logs from a properly working engine from Nissan MAF.
Poorly calculated load will not allow me to tune correctly when I put on a turbo.

So i understand that adding a resistor, increases the resistance which if the amperage remains constant lowers the voltage.

why couldn't we add say a 3K Ohm resistor to the maf wiring to further the mass airflow capabilities of the stock maf?

Does the current in the circuit not remain constant? Does this put too much load on the circuit?

Welcome.
Problem solved. Special thanks to user "janithdg"

I made a mistake - I did not bridge the brown and black wires in the MAF bundle. This caused the MAF error in the ECU to be registered and therefore the engine was in AlphaN mode - due to the lack of a map for editing this mode I can not correct it and come out with such distortions.
After the bridge has been installed, the engine is working correctly and the ECU sees the load almost as good. I will improve my fuel and it will be fine.

Hi,
What is the voltage readed with Nissan maf on idle? My shows 1.02-1.07 V and 115-140 load on idle. Load seems to be correct upward. This resulted idle trims to go negative. Scaling is from v6 spreadsheet, 2.76 inch tube.

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Yep same issue for me, maf is reading 0.82v (3.5" tube) and load is 120-130, giving me 9.8 afr.

Same also for me, load seems pretty accurate upwards.

I've cheched the maf flow values on where the issue is, luckyly the concerned flow area is only used when closed throttle rolling or idle, so I rescaled the table under 0.96v to get something more around 15

Maybe the engine load is seen differently in similar engines because of the different input resistance to the controller - it all depends on what the connections are and the length of the wires (in the case of turbo when the MAF is in front of the turbine). Also, the driver circuit may introduce some distortion due to its aging.
According to me, fuel map corrections and possible ignitions should be made.

Are integrators working at idle? Do you have an MAF error in inpa?

Conversion from v4 scaling solve the problem.

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Updated original post.
V7 added to try correct the 350z MAF scaling for idle. Test out the "alternative" scalar and report back.