Barometric Pressure Sensor, whats it do? - Ford Powerstroke Diesel Forum

 
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post #1 of 9 Old 02-20-2010, 06:28 PM Thread Starter
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Barometric Pressure Sensor, whats it do?

Any one have a clue what the Barometric Pressure Sensor does?
just curious, somethings not right with my truck. Want to know what the sensors do.
thx

2008 6.4 f250 lariat 4wd
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post #2 of 9 Old 02-20-2010, 06:33 PM
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If I remember right I believe its located under the driver side dash. The purpos of it... its acts as a baseline or refrence for the map sensor. The computer compares the two and comes up with a boost reading. I.E. very essential.

1996 Ford F-350 4x4, 5-speed, 4-door, Long bed, 7.3L Powestroke . Entire built engine (nothing went untouched): rods, studs, mahle pistons, Comet gaskets, Custom built fuel system, spooled and soon to be fueled by Swamps, Custom tuned TS chip. Also South Bend double, custom ladder bars, 4.11 gears, soon to be hood stack.
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post #3 of 9 Old 02-20-2010, 06:51 PM Thread Starter
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anyone hear of one of these going bad?

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post #4 of 9 Old 02-20-2010, 06:53 PM
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Originally Posted by melmount View Post
anyone hear of one of these going bad?
As of yet I have not but anything is possible.

1996 Ford F-350 4x4, 5-speed, 4-door, Long bed, 7.3L Powestroke . Entire built engine (nothing went untouched): rods, studs, mahle pistons, Comet gaskets, Custom built fuel system, spooled and soon to be fueled by Swamps, Custom tuned TS chip. Also South Bend double, custom ladder bars, 4.11 gears, soon to be hood stack.
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post #5 of 9 Old 02-20-2010, 07:24 PM
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Tell me if I'm wrong,someone out here will know,but I believe the barometric pressure sensor would control air/fuel ratio for proper combustion-such as sea level pressures-the higher above sea level,it would be more air than fuel and vise-versa
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post #6 of 9 Old 02-20-2010, 07:29 PM
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Originally Posted by icysmooth View Post
Tell me if I'm wrong,someone out here will know,but I believe the barometric pressure sensor would control air/fuel ratio for proper combustion-such as sea level pressures-the higher above sea level,it would be more air than fuel and vise-versa
Exactly, and to do that it has to be compared with the map sensor so it knows it has the right amount of boost for the rpm and such.

1996 Ford F-350 4x4, 5-speed, 4-door, Long bed, 7.3L Powestroke . Entire built engine (nothing went untouched): rods, studs, mahle pistons, Comet gaskets, Custom built fuel system, spooled and soon to be fueled by Swamps, Custom tuned TS chip. Also South Bend double, custom ladder bars, 4.11 gears, soon to be hood stack.
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post #7 of 9 Old 02-20-2010, 07:39 PM
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Originally Posted by Frank 7.3 View Post
Exactly, and to do that it has to be compared with the map sensor so it knows it has the right amount of boost for the rpm and such.
Ok-that makes sense,I'm with ya.
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post #8 of 9 Old 02-21-2010, 03:17 AM Thread Starter
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thanks, thats what i was looking for

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post #9 of 9 Old 09-16-2015, 05:24 PM
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Do yal know if its located behind the fuse panel?
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