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2008 Hummer H3 IAT Sensor

Tiny
H3TOM
  • MEMBER
  • 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
Wednesday, May 12th, 2010 AT 7:48 PM

4 Replies

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
IAT sensor is between air cleaner and throttle body. what engine size do you have?


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

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Wednesday, May 12th, 2010 AT 7:55 PM
Tiny
H3TOM
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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
  • MECHANIC
  • 16,542 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
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That confirms whatI've been told. Thank you!
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Thursday, May 13th, 2010 AT 2:02 PM

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