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2007 Chevrolet Trailblazer Question: Have a code P0107 comes on I reintermittently,seems to have reduced fuel milage.

 

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rquincel43, 4.2L 6 Cylinder, Circleville, OH, February 22, 2013, 05:59
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Code reader says MAP low voltage. Wheres MAP located on 2007 Trailblazer 4.2 L engine. I reset code might drive few hundred miles before comes again same code P0107.
Any one have a clue whats going on? Mileage 55,063.

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