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Old 01-11-2013, 08:47 AM
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Baro sensor location?

Could somone tell me where the baro sensor is on the 6.4. It's not the same as map senso right?
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Old 01-11-2013, 09:01 AM
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This is what i found

Baro Sensor (Barometric Pressure)
A 5-volt reference signal is is supplied to the baro sensor and it produces an analog output signal. In the 6.4L, the sensor is located in the ECM, while the earlier engines use a remote sensor. The primary function of the baro sensor is to provide altitude information so the timing, fuel quantity, glow plug on time, and turbocharger boost can be altered.


Read more: Ford Power Stroke Engine Controls - Diesel Power Magazine
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Old 01-11-2013, 09:08 AM
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Here is another good description.

http://www.hsperformance.com/1/image...Components.pdf
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Old 01-11-2013, 09:11 AM
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Mine is a 01/07 build so I will have to find where the remote location is. Thanks for the help
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Old 01-11-2013, 09:18 AM
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According to what i read if the baro sensor is bad the ECM needs to be replaced because the sensor is inside the ECM.

Baro (Barometric Pressure)
• The ECM supplies a 5 volt reference signal which
the Baro sensor uses to produce a linear analog
voltage signal that indicates pressure.
• The primary function of the Baro sensor is to provide
altitude information so that the ECM can adjust timing, fuel
quantity, glow plug on time, and turbocharger control.
• The Baro sensor is located inside the ECM. If the
sensor fails, the ECM must be replaced.
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Old 01-11-2013, 04:30 PM
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That's not good i wonder how much one of those are and can I do it myself?
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Old 01-12-2013, 05:54 AM
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What about the map sensor I know it's on passenger side manifold but there are two sensors there which one is it and what is the other sensor? Thanks again for the help still trying to fix my turbo problem
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Old 01-14-2013, 08:19 AM
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Quote:
Originally Posted by srjd View Post
What about the map sensor I know it's on passenger side manifold but there are two sensors there which one is it and what is the other sensor? Thanks again for the help still trying to fix my turbo problem
The sensor closer to the front of the truck is the MAP sensor. The one behind it is the IAT2 sensor. You might as well clean both while your at it.
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Old 01-14-2013, 08:21 AM
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I just ordered new sensors and replaced them. They are not that expensive. Here is a picture of all three sensors.
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Baro sensor location?-100media-imag0051.jpg  
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Old 01-14-2013, 01:58 PM
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I just changed the map sensor and ebp tube yesterday. The ebp sensor I replaced 3 weeks ago. Anyways the map sensor was almost completely clogged. My fuel milage has since improved and my turbo issue of hitting 40 psi randomly has been resolved. I still get a 0kpa on the baro but like you said its in the pcm I'm just going to leave it alone. I can't believe how much of a difference those sensors make.
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