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Author
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Topic: What is a MAF
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FIFTYSNAKE
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Member # 3026
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posted
 
 
what is a maf and where is it located and how do you clean it out.
Posts: 133 | From: oakland | Registered: Jul 2003
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BlackDrop50
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Member # 1715
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posted
Mass Air Flow unit
It is the computer looking thing that is in the middle of the air intake rubber tube assembly. The silverish round looking thing that has a plug in it. It is between the airbox and the throttle body.
Unplug it and spray electrical cleaner in it to clean it out
Posts: 1379 | From: 510 East Bay | Registered: Aug 2002
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Joooestang66
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Member # 2828
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posted
The mass air flow (MAF) sensor uses a hot wire sensing element to measure the amount of air entering the engine. Air passing over the hot wire causes it to cool. This hot wire is maintained at 200°C (392°F) above ambient temperature as measured by a constant cold wire. If the hot wire electronic sensing element must be replaced, then the entire assembly must be replaced. Replacing only the element may change the air flow calibration. The current required to maintain the temperature of the hot wire is proportional to the air mass flow. The MAF sensor then outputs an analog voltage signal to the PCM proportional to the intake air mass. The PCM calculates the required fuel injector pulse width in order to provide the desired air/fuel ratio. This input is also used in determining transmission electronic pressure control (EPC), shift and torque converter clutch scheduling.
---take a piece of paper, rip a part off, use the torn part to clean off the wires, chemicals could damage it---
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"Don't Drive Faster Than your Guardian Angel Can Fly..... Well My Guardian Angel Can Fly Pretty Fuc*ing Fast!!!"
Posts: 581 | From: Elk Grove | Registered: May 2003
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nitrous_bob
CAFords OG
Member # 77
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posted
those guys are wrong...
i've only seen these twice ever.
it's a "mad-a$$-fucker"
you can find it when you try and jack some fool for his 5.0
don't ever try and clean one...just run like hell.
i think they can be found most anywhere.
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5.0 OG since 1990
Posts: 1402 | From: st clair shores MI | Registered: Nov 2000
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Joooestang66
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Member # 2828
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posted
Huh? My reply was straight out of a Ford PCED. They've been on every american Ford vehicle since 1986, except for the Probe.
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"Don't Drive Faster Than your Guardian Angel Can Fly..... Well My Guardian Angel Can Fly Pretty Fuc*ing Fast!!!"
Posts: 581 | From: Elk Grove | Registered: May 2003
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wilit
Mustang Messiah
Member # 3367
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posted
quote:
Originally posted by Joooestang66:
Huh? My reply was straight out of a Ford PCED. They've been on every american Ford vehicle since 1986, except for the Probe.
Main Entry: hu·mor
Pronunciation: 'hyü-m&r, 'yü-
Function: noun
a : that quality which appeals to a sense of the ludicrous or absurdly incongruous b : the mental faculty of discovering, expressing, or appreciating the ludicrous or absurdly incongruous c : something that is or is designed to be comical or amusing
synonym see WIT
He was joking when he said MAF means Mad-Ass-Fucker. ![[Roll Eyes]](rolleyes.gif)
[ February 11, 2005, 01:13 PM: Message edited by: wilit ]
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"If a man hasn't found something worth dying for, he isn't fit to live." - Martin Luther King Jr.
Posts: 4793 | From: 37.78514° North 122.40100° West | Registered: Oct 2003
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S331saleen
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Member # 1886
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posted
quote:
Originally posted by SpdDevl:
I have another question off of this one if someone doesnt mind answering it. I just replaced my stock maf this morning for a c&l 80mm maf. Do I need to chip my car now for it to run well without damaging my car's computer or can I leave it alone.
Is the sample tube calibarted to your injector rate? Is there any problems with the car now like pinging or rough idle? If not, then your all to the good. ![[dance]](graemlins/dance.gif)
Posts: 225 | From: Sacto 916 | Registered: Sep 2002
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