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P0105 Diagnostic Trouble Code Discussion for April 2007

Absolute Pressure Sensor Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0105
Help Request Posted
1996 Saturn SL2 1.9L MIL Lamp on VIN: 1G8ZJ5277T
P0105: history code only 300 miles since last detected. This vehicle came in with a complaint that the SES light comes on when the customer drives in the mountains and then goes off later. Had no SES when it was brought in but had a history code P105 map sensor circuit. Checks good on the flow chart. Our altitude i...
April 03, 2007
2002 Chevrolet Trailblazer LS 4.2L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 1GNDT13S22
P0105: MAP Sensor Performance. Hello all. I have a good one for you GM techs out there. This 2002 Trailblazer came in for bogging down at idle and client feels engine miss. The misfire counter on the Modis counts up and then resets on cylinders 3 and 4. We replaced the spark plugs and boots...
April 19, 2007