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2003 GMC Envoy Question: code p0105



, 4.2L 6 Cylinder, Mount Holly, NC, April 29, 2011, 01:46

manifold absolute pressure/barometric pressure circ. code p0105 on/off

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  • Answer #1

    April 29, 2011, 15:50

    What's the question? Be specific.
    Code P0105 indicates that the computer has detected an open or short in the MAP/BARO circuit. Could be due to a failed MAP sensor or a fault in the wiring or connectors.

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  • Answer #2

    April 29, 2011, 16:19

    Most likely it is a defective MAP sensor, but make sure that the wiring is not chafed, there is a TSB for the MAP sensor wiring rubbing on an engine bracket and then setting a MAP code.

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