code p0105 on 2003 GMC Envoy

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

by in Mount Holly, NC on April 28, 2011
2 answers
ANSWER by on April 29, 2011
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.
ANSWER by on April 29, 2011
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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