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Manifold Pressure switch..

  #1  
Old 05-29-2017, 12:06 AM
kickasscadillac's Avatar
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Question Manifold Pressure switch..

What does the "Manifold Pressure Switch" do thats mounted on the valve body of a 4T80E transmission??
 
  #2  
Old 06-02-2017, 04:52 PM
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tells the pcm what actual gear transmission is in. Not like the PRNDL which indicates where the shifter is.
 
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