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How does engine behave when Manifold Air Temp. or MAP sensor aren't functioning properly?

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Old Jun 25, 2013 | 12:05 PM
  #1  
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cutlass
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How does engine behave when Manifold Air Temp. or MAP sensor aren't functioning properly?

I was hoping someone could explain the Manifold air temp. sensor's role in engine operation. More specifically, how would the engine behave if it's not functioning properly?

I would also be interested in learning how the engine would behave if the MAP sensor was not functioning properly?

Any info. isvery much appreciated.

Thanks,
Drake
 
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Old Jun 25, 2013 | 03:50 PM
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Robert6401
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I can tell you that a friend of mine's MAP sensor was missing and once we realized it and fixed it his truck run much better. Beforehand it was really sluggish.
 
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Old Jun 26, 2013 | 08:46 AM
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MAT sensor

https://www.ford-trucks.com/forums/1...ke-help-2.html
 
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Old Jun 26, 2013 | 10:40 PM
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cutlass
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Thanks Tim! I'm trying to address an engine miss that is most pronounced at 1200 rpms and excessive black smoke when I put my foot into the throttle when rpm's are low.

I think I'll try replacing the MAT sensor to see if anything changes.

Drake
 
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