Barometric Pressure Sensor, whats it do? - Ford Powerstroke Diesel Forum
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Old 02-20-2010, 06:28 PM
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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
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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.
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Old 02-20-2010, 06:51 PM
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anyone hear of one of these going bad?
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Old 02-20-2010, 06:53 PM
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Quote:
Originally Posted by melmount View Post
anyone hear of one of these going bad?
As of yet I have not but anything is possible.
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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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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.
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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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Old 02-21-2010, 03:17 AM
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thanks, thats what i was looking for
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