What maf sensor should I have?

jgonz727 · Dec 4, 2006

I'm running a stock 5.0 HO (automatic) with a A9P computer (E9ZF 12A650-C2A) but I'm not sure that I've got the correct maf sensor paired with it? Anyone know what it's supposed to be? My research has given me conflicting results.

Should it be E9ZF-12B579-AA? OR
Should it be F1ZF 12B579-AA? OR
Should it be E8Zf 12b579-AA?

Thanks.

P.S. any recommendations on where I could purchase one inexpensively?

Thanks again.

TENGRAM · Dec 4, 2006

the E9 portion of the part# refers to the year...E=80s, E9=89. so i would go with the one that matches your computers part#. my2cents

v8only · Dec 4, 2006

the 88 unit (e8) has a specific connector on it, so don't run that without the same year harness, otherwise I believe you should be ok for all the other units.

GTOreturns · Dec 4, 2006

Ditch the stock MAF and get an 80mm Pro M with a power pipe and a 65mm TB. Then do some exhaust work.

vristang · Dec 4, 2006

All of the sensors you listed should be correct.
As Tengram mentioned... The first couple of digits indicate the year.
Most factory sensors seem to be marked as F1ZF, but any **ZF sensor should work with your computer.

I'm making an educated guess, but they should work.

jason

Shakerhood · Dec 5, 2006

GTOReturns said:
Ditch the stock MAF and get an 80mm Pro M with a power pipe and a 65mm TB. Then do some exhaust work.

I would ditch the Stock One for a 94-95 Unit and a 65mm T/B.

jgonz727 · Dec 5, 2006

Quote: I would ditch the Stock One for a 94-95 Unit and a 65mm T/B.

What about the electronics on the MAF?

PJB · Dec 5, 2006

jgonz727 said:
Quote: I would ditch the Stock One for a 94-95 Unit and a 65mm T/B.

What about the electronics on the MAF?

The electronics on the 94/95 MAF work with the electronics already in the car.
Ive got one hooked up on my '92.

HISSIN50 · Dec 5, 2006

I'm not a MAF/MAS whiz like Jason but it seems to me that if the MAS and MAF housing are matched, that's what's important (this is something Jason helped me with some time back when I was tinkering with things).

Jgonz, you'd swap on the whole MAF and MAS assembly from the 94-95 Stang.

stangbear427 · Dec 6, 2006

GTOReturns said:
Ditch the stock MAF and get an 80mm Pro M with a power pipe and a 65mm TB. Then do some exhaust work.

Agreed. If you're going to go to the trouble of buying something, it may as well be better than what was there.

vristang · Dec 6, 2006

HISSIN50 said:
I'm not a MAF/MAS whiz like Jason but it seems to me that if the MAS and MAF housing are matched, that's what's important (this is something Jason helped me with some time back when I was tinkering with things).

Jgonz, you'd swap on the whole MAF and MAS assembly from the 94-95 Stang.

The importance of matching the MAF/MAS is crucial. The computer depends on this reading being accurate.

JT-
Did you ever figure anything out? I've been away for a while.

HISSIN50 · Dec 6, 2006

vristang said:
JT-
Did you ever figure anything out? I've been away for a while.

Jason, I'll PM or email you one of these days. I waited to message ya back so I wouldn't wear out my welcome (A good or bad idea, I'm not sure: I picked up a MAF tuner so I might be hosing with the transfer curve just to see what happens ). I'm just running a stock meter for right now (and it didn't change much of anything). Thank you for askin and I will get with ya one of these days here (after I get off my butt and do something to the car).

1Fine89stang · Dec 6, 2006

I have a similar problem , i was given a 93 cobra MAF sensor and im concerned about having electronic problems in my 89.

stangbear427 · Dec 6, 2006

You shouldn't. The calibration for the '93 Cobra 70mm MAF is done in the unique Cobra computer. The sensor electronics are the same as the one in the normal 55mm 5.0 MAF. If you're still concerned though, you can sell your Cobra MAF to me I'm looking for one.

jgonz727 · Dec 6, 2006

Just to update, I put on the F1ZF 12B579-AA mas and it's working great. Thank you guys for all your help on this. In light of the discussion of alternatives to this setup that I have, I'm now interested in upgrading. I'll keep reading if you guys keep posting.

Thanks again for all your input!

1Fine89stang · Dec 6, 2006

stangbear427 said:
You shouldn't. The calibration for the '93 Cobra 70mm MAF is done in the unique Cobra computer. The sensor electronics are the same as the one in the normal 55mm 5.0 MAF. If you're still concerned though, you can sell your Cobra MAF to me I'm looking for one.

Ok , good deal , someone told me that 93 cobras used 24lb injectors and that i only have 19 , is this true ? The kid i got it from told me he had 19lb injectors , but who knows .Thanks in advance!

Black1987Stang · Dec 6, 2006

jgonz727 said:
Just to update, I put on the F1ZF 12B579-AA mas and it's working great. Thank you guys for all your help on this. In light of the discussion of alternatives to this setup that I have, I'm now interested in upgrading. I'll keep reading if you guys keep posting.

Thanks again for all your input!

Nice, im running a maf from a 3.8L ford taurus with no problems just FYI

stangbear427 · Dec 6, 2006

1Fine89stang said:
Ok , good deal , someone told me that 93 cobras used 24lb injectors and that i only have 19 , is this true ? The kid i got it from told me he had 19lb injectors , but who knows .Thanks in advance!

Yes, it's true. Rather than recalibrate the MAF for the 24s, SVT re-used the 19# sensor and made the conversion in the computer. Cobras don't use the A9L, they use the X3C, which amongst other things, allows the use of the 24# injectors with a 19# MAF.

GTOreturns · Dec 6, 2006

I think Cobra's "do" have 24lbs injectors. Any what gains could you possibly get from going to a 94/95 set up? What size is it? Im tellin ya. Get an 80mm Maf and be done with it. They make a nice performance increase and have "0" idleing issues unlike the 75mm. You will need a CAI or power pipe. CAI's are a gimmic,power pipes makes proven power!

1Fine89stang · Dec 7, 2006

stangbear427 said:
Yes, it's true. Rather than recalibrate the MAF for the 24s, SVT re-used the 19# sensor and made the conversion in the computer. Cobras don't use the A9L, they use the X3C, which amongst other things, allows the use of the 24# injectors with a 19# MAF.

I'm sorry if i sound dumb about this , but does that mean I can use the cobra MAF with my 19lb injectors , or do i need to swap to 24 lb?

What maf sensor should I have?

jgonz727

New Member

TENGRAM

New Member

v8only

Active Member

GTOreturns

Well-Known Member

vristang

Shakerhood

jgonz727

New Member

PJB

New Member

HISSIN50

"How long does it take to get help in here?

stangbear427

Active Member

vristang

HISSIN50

"How long does it take to get help in here?

1Fine89stang

New Member

stangbear427

Active Member

jgonz727

New Member

1Fine89stang

New Member

Black1987Stang

Active Member

stangbear427

Active Member

GTOreturns

Well-Known Member

1Fine89stang

New Member

Similar threads

What maf sensor should I have?

New Member

New Member

Active Member

Well-Known Member

New Member

New Member

"How long does it take to get help in here?

Active Member

"How long does it take to get help in here?

New Member

Active Member

New Member

New Member

Active Member

Active Member

Well-Known Member

New Member

Similar threads

Privacy & Transparency

Privacy & Transparency