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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

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Old Jul 11, 2014 | 07:00 PM
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What is this
What is this? It was mounted to the passenger side fender.


The mystery device
 
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Old Jul 11, 2014 | 07:37 PM
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Looks like a MAP sensor.Manifold absolute pressure. One of the EFI controls.

Thanks for the correction Gary. Must have been in lala land after getting worn out from weed wacking.
 
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Old Jul 11, 2014 | 07:37 PM
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MAP sensor. Manifold Absolute Pressure sensor.
 
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Old Jul 11, 2014 | 08:47 PM
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My carbureted 86 uses one. Looks like yours has been disconnected... ~Bill
 
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Old Jul 11, 2014 | 11:17 PM
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Originally Posted by bill06447
My carbureted 86 uses one. Looks like yours has been disconnected... ~Bill
I had an inline 6, now I have a 460
 
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Old Jul 12, 2014 | 01:18 AM
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It's an essential part on EFI trucks, speed density and MAF (though it has a different function on the latter). It was also used on trucks with computer controlled ignition and feedback carbs.
 
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Old Jul 13, 2014 | 11:44 AM
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Originally Posted by 1985 Bronco
What is this? It was mounted to the passenger side fender.

E6FZ-9F479-A .. MAP Sensor - Marked: E43F-9F479-BIA (Motorcraft DY-503).
 
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