GMT 900 Trucks General Discussion 2007 - 2013 Trucks | General Discussion

GM tech or guru please help

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Old Dec 28, 2011 | 03:17 AM
  #41  
mnm8977's Avatar
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From: Hamilton, TX
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I'm not that familiar with EFI Live, but it looks like the MAP sensor is reading boost. Is your truck supercharged? It was looking as if you were producing about 2.5 psi at idle and upwards of 13 at 3000. I only ask because I am used to reading MAP in Kpa.
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Old Dec 30, 2011 | 12:57 PM
  #42  
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Not boosted,I live at 3500 ft. elevation
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Old Jan 8, 2012 | 12:32 PM
  #43  
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Have you tried cleaning the MAF sensor?
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Old Jan 8, 2012 | 07:47 PM
  #44  
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yes I did clean it,thanks for looking what is your sense of it?
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