3g MAF in a 2g

[Ghost_GSX]

Does anyone know how to wire up a 3g MAf in a 2g?
I have the pigtail for the 3g Maf and the 2g pigtail was cut off by previous owner. I do have another pigtail for a 2g MAF
I know i can buy this to run it but I'm on a slight budget and dont want to fork out $45 plus shipping for it.
Can anyone help me out?

 

[2GFWDbeast]

2g is the same wiring as the 3g maf. Just swap 1 wire at a time.

 

[Ghost_GSX]

2g is the same wiring as the 3g maf. Just swap 1 wire at a time.

so like red wire on harness to red wire on pigtail, black wire on harness to black wire on pigtail, blue to blue, etc...
just the plug is different?

 

[2GFWDbeast]

You got it.

 

[Ghost_GSX]

Oh wow
Thats easy
Do you know how much it will better as far as performance and mpg?

 

[2GFWDbeast]

evo maf which is better air flow 66lbs/min to be exact and the 2g maf which is 50 lbs/min. So evo would be better. As for mpg that all depends on how are you beating on your car. You will get the same mpg with either or.

 

[Ghost_GSX]

Well none of my dsms run or have run since i bought them for that matter.
I'm just ready to get this thing on the road to drive

 

[2GFWDbeast]

haha sounds good. Good luck with everything.

 

[steve]

How are you going to correct for the difference in airflow between the two MAFs.
The 3G/EVO MAF will report a lower airflow count for the same mass of air that the 2G MAF does so without correction the engine will run leaner.

It's not just a straight swap between the two MAFs even after you change the connector.

 

[2GFWDbeast]

How are you going to correct for the difference in airflow between the two MAFs.
The 3G/EVO MAF will report a lower airflow count for the same mass of air that the 2G MAF does so without correction the engine will run leaner.

It's not just a straight swap between the two MAFs even after you change the connector.

Are you saying im completely wrong for what i told him, or are you referring to the op.

 

[steve]

What you told him about the wiring is correct but there is more to the swap than the connector.

When you responded to the performance and MPG questions would have been a good time to bright that up.

 

[2GFWDbeast]

Ya true true. Forgot that stuff.

 

[agentorange313]

you need some way to compensate for the 3g mas output.

You can utilize ECMlink to configure the MAS, I am not familiar with any other way to configure the MAS to work on out cars.

 

[2GFWDbeast]

couldn't you use a safc??

 

[steve]

couldn't you use a safc??

Yes, you can tune for the MAF change with an SAFC. Or burn a chip, or use DSMLink as stated.

 

[Ghost_GSX]

I'm too poor for any of that
Ill just use a 2g maf
Should the 2g maf plug and 3g maf plug be different side by side?

 

[steve]

Should the 2g maf plug and 3g maf plug be different side by side?

They are different connectors but assuming you have the two connectors in the same orientation the wires should be in the same order.


1 - +5 sensor power
2 - Baro Output
3 - MAF Hz Output
4 - +12v power
5 - Ground
6 - IAT Output
7 - MAF reset
8 - NC

 

[Ghost_GSX]

ok
I compared the pigtail to the 2g maf connector and it is exactly the same
but i think i'll just use a 2g just so i don't have problems running lean
thanks for the help

 

[agentorange313]

big power has been made on 2g mas

I am sure its suitable for you power needs. When you get a chance switch to the 3g, takes up less room and isnt a bulky, not to mention you don't need a 4-3 reducer, just a 3.125 inch coupler. Unless you are still running the stock 2g intake snorkel.

goodluck