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2008 HUMMER H3 IAT SENSOR

  • Tiny
  • H3Tom
  • 2008 Hummer H3

Engine Performance problem
2008 Hummer H3 Four Wheel Drive Automatic 24100 miles

need location of IAT sensor and what two wires from MAPsensor control it. Thanks

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Wednesday, May 12th, 2010 AT 7:48 PM

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  • Tiny
  • bluelightnin6
  • Expert
  • 17,061 posts

IAT sensor is between air cleaner and throttle body. what engine size do you have?


http://www.2carpros.com/forum/automotive_pictures/261618_Noname_2154.jpg

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Wednesday, May 12th, 2010 AT 7:55 PM
  • Tiny
  • H3Tom
  • Member

3.5 5 cyl found connector integrated with MAS plug five wires. Which two control iat?

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Wednesday, May 12th, 2010 AT 7:59 PM
  • Tiny
  • bluelightnin6
  • Expert
  • 17,061 posts

The IAT wiring will be the light blue wire and the black wire.

The pink, yellow and black/white wires are the MAF wiring.

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Wednesday, May 12th, 2010 AT 8:09 PM
  • Tiny
  • H3Tom
  • Member

That confirms whatI've been told. Thank you!

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Thursday, May 13th, 2010 AT 2:02 PM

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