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looking for MAF ground, Freestyle
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prokev01 Offline

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Joined: Apr 2008
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Post: #1
looking for MAF ground, Freestyle
Hi everyone,

I have a Ford Freestyle SEL AWD 2005 with 6 wire MAF sensor. Can I use a resistor on ground wire on this type of MAF sensor? I've buy the electric plan on automotive hobbyists but I dont know wich wire is the ground. Please see the attachment for the wiring of MAF sensor. Any recommendation other than tuning for mileage document?

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06-16-2008 12:17 PM
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thomasbala Offline
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Joined: Jun 2008
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Post: #2
RE: looking for MAF ground, Freestyle
Black is always "ground ". Before you start playing with a $300.00 MAF sensor you need to know a lot more about how they work. Buy a shop manual; get a subscription to ""; read the diagnostic charts and the corresponding voltages. Buy yourself a cheap multimeter; turn it on to DC volts, low range: 0 to 18 volts; or "mv" and probe the voltage change. Here's how: connect one of the multimeter probes to a ground; connect the other probe to each different wire. One will be 12v all the time; the voltage in another one will go up and down as the speed of the engine increases or decreases. Usually this is where you hook into with the MAF potentiometer.
06-17-2008 08:25 PM
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