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P0103 Diagnostic Trouble Code Discussion for June 2004

MAF Sensor Circuit High Frequency

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Trouble Ticket Help Requests for DTC P0103
Help Request Posted
1996 Ford Taurus GL 3.0L Excessive Emissions, Poor Idle Quality, Cuts out, Stall VIN: 1FALP52U4T
P0103: MAF too high. After the car is hot it will stall out or idle low due to rich over fueling. It massively overfuels (inj pw 50mS plus). MAF goes to a fixed 5.0 volts, sometimes .65 volts. Both oxygen sensors sit at .41 volts. Sometimes the Cat monitor sensors are at 1.66 volt...
June 01, 2004