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P0105 Diagnostic Trouble Code Discussion for July 2009

Absolute Pressure Sensor Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0105
Help Request Posted
2003 Chevrolet Trailblazer LTZ 4.2L MIL Lamp on VIN: 1GNDS13S83
P0105: MAP Sensor Performance. I can clear this code out and it will come back after 5-10 minutes of driving, vehicle runs good until you turn on a/c then it idles up and down to the point it almost kills engine. Customer has been driving vehicle with this code since winter. In fix database...
July 30, 2009