bottombunk

i was wondering if anyone knows the part numbers for the rb25det stock mafs. or if they know for a fact which are interchangeable. need new mafs bad.

jonpowell

Check one of your other posts.

bottombunk

which one if your referring to the sputtering i dont see what your talking about. the mafs i have on it now is a 2268031u00 which i think is a maxima mafs which might explain the problems.

Catharsis

just get a z32 maf

bottombunk

if i use a z32 mafs ill need the ecu recalibrated or flashed to use it. im not wanting to spend anymore than i have to on this. im trying not to upgrade it anymore than it is.

bottombunk

i think i got the right number. 22680 02u00. if anyone can confirm please let me know.

jonpowell

That number is for R33 08/93 to 01/95 RB25DET and C34 01/94 to 09/94 RB25DET.

bottombunk

thanks jon, now i just have to figure out which rb25det series i have.

jonpowell

Do you have the igniter on the back of the coil cover?

Igniter=Series one
No igniter=Series two

I know that the series one & two MAFS are interchangable SIGNAL wise but the plug is different.

bottombunk

i found out i have a series two. i finally found a sight on it. thank you for the reply though.

bottombunk

from what i can tell i have the original mafs.

jonpowell

what is your engine doing to make you want a new mafs?

bottombunk

it still sputters and bogs down. every gear. sad thing is i only drive it to work i dont even try to get on it with this car. well i cant now even if i wanted to. i think my water pump went out the other day to. too much money to dump so soon. i thought it was a fuel pump cause went it gets to a quarter tank it really gets bad. but when its full it still sputters.

jonpowell

Did you change the fuel pump & filter?

What about spark plugs, what plugs did you install? And what gap?

If the MAF is bad it usually is either bad or good. bad it will idle at 2500 or so.

Go into more detail with the problems, does it sputter more at certain RPMS, under loads, at idle....

bottombunk

sputters between i think 1550-3000, i changed to iridium plugs, the fuel filter might need changing again its been a long time. the pump was claimed to be a larger one when i bought the car, need to verify this wekend. it will go past 2500 but it doesnt go too much past before sputtering again.