Low gear deceleration issue

[Matt]

The HP figures are approximate (further K adjustment may be required). I've tested a bunch on the dyno

J30 VG30DE MAF (should be E60)

This seems to get K in the closest area of the ones you have listed so would be better than the Z32. Just check you have the correct part number there

[martin7937]

For the production period of Infinity J30 were used all together 3 different MAF's:

1/ 01.92 / 07.95 - 22680-30P00
2/ 07.95 / ... - 22680-31U00
3/ 22680-31U00 is also interchangeable with 22680-31U05

The first one says N62 on it?! I thought there is a separate listing for the N62 MAF under Z32 DETT: http://2.bp.blogspot.com/-KxO7DnXWFp8/U ... 00/009.JPG

The second one says E60 on it: http://img576.imageshack.us/img576/6049/31u00.jpg

And the third one says E61: http://i.ebayimg.com/00/s/MTIwMFgxNjAw/$(KGrHqJHJ!sE63KsneNuBO6dyPODUw~~60_35.JPG

So which one do I need actually need?

Thank you

[Matt]

I'm not sure which image that VQ came from now. The ones which I looked up VE30DE use the same MAF as the HCR32/M30 etc

[martin7937]

I'm not sure which image that VQ came from now. The ones which I looked up VE30DE use the same MAF as the HCR32/M30 etc

Damn... So there is a MAF which is appropriate from my setup, but we don't know where exactly it comes from.
Why is this MAF in the drop-down menu then?

[Matt]

Because it was identified in a previous BIN file but I dont know where it was originally from now since its been years since those got put in the drop list

Next recommendation would be the A32 MAF

[martin7937]

This seems to have the issue partially fixed.

[martin7937]

Matt,

This MAF:
http://www.ebay.com/itm/89-94-Nissan-Ma ... cd&vxp=mtr

Is it supported by nistune and included in the Change MAF drop-down menu?
Thanks

[Matt]

Yes that would be the J30 Maxima MAF in the drop list

[martin7937]

Because it will be really hard to find/buy such MAF in Europe, I wanted to make sure I won't waste my money.
Will let you know in case such MAF does not work with the J30 VQ.

[Matt]

J30 VG30DE MAF (should be E60)

Well that one is the N60 MAF which would be compatible with VG30DE. The proper way to tell is look at ECUs

23710-97Exx / 23710-17Yxx and see if the N60 MAFs are used with those ECUs. Would need Nissan FAST to look up part#s and years

[martin7937]

The 22680 16V00 MAF is used in the following applications:

INFINITI M30 F31 08.1989 - 12.1991 (US)
MAXIMA J30 08.1988 - 02.1994 (CA)
MAXIMA J30 08.1988 - 02.1994 (US)
MAXIMA J30 12.1988 - 06.1994 (EL)

Below are the ECU P/N used by the respective application:
F31 US 23710-F6610 23710-F6670
J30 CA 23710-86E70 (23710-98E71); 23710-98E70 (23710-98E71); 23710-98E71; 23710-87E70; 23710-87E70; 23710-7E201; 23710-7E310
J30 US 23710-86E10 (23710-98E11); 23710-98E10 (23710-98E11); 23710-98E11; 23710-87E10; 23710-7E001; 23710-7E300
J30 EL 23710-91E10 (23710-91E11); 23710-91E11

None of the above matches the P/N you provided?

23710-97Exx / 23710-17Yxx and see if the N60 MAFs are used with those ECUs. Would need Nissan FAST to look up part#s and years

[Matt]

Yes it does: 23710-97Exx (the xx is a wildcard)

J30_VE30DE_97E10_AT / J30_VE30DE_97E60_MT

So that MAF will work fine since I have the VQ map from these ECUs in the list already

[martin7937]

Yes it does: 23710-97Exx (the xx is a wildcard)
J30_VE30DE_97E10_AT / J30_VE30DE_97E60_MT
So that MAF will work fine since I have the VQ map from these ECUs in the list already

OK, you should be right. Will give it a try.