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P0129 Diagnostic Trouble Code Discussion for November 2019

Barometric Pressure Sensor Out-Of-Range Low


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Trouble Ticket Help Requests for DTC P0129
Help Request Posted
2003 Dodge Ram 1500 Laramie 5.7L Poor Idle Quality, Misfire VIN: 1D7HU18D43
P0129: Baro. We pulled the plugs and all seems good and all cylinders have spark. Seeing this happens so intermitt i finally figured out #1,2,4 are dead. It doesn't set a misfire code and exhaust is rich (smelly) but if you shut it off and restart it will run fine 90% ...
November 19, 2019