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P1273 Diagnostic Trouble Code Discussion for February 2007

Air Fuel Sensor (Bank 1 Sensor 1) Lean Shift Monitoring


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Trouble Ticket Help Requests for DTC P1273
Help Request Posted
2003 Ford F-250 Super Duty Lariat 7.3L MIL Lamp on VIN: 1FTNW21F93
P1273: Cylinder 3 - High To Low Side Open Detected. Sets code P1273 immediately on start-up and on injector buzz test (buzzes like the other 7 do) Followed Ford's pinpoint test NA11 thru Na15, and replaced the IDM as directed with same results. Injector harness ohms out at 3.1 from pins 21 and 24 at IDM (statio...
February 08, 2007
2003 Ford F-250 Super Duty Lariat 7.3L MIL Lamp on VIN: 1FTNW21F93
P1273: Cylinder 3 - High To Low Side Open Detected. Sets code P1273 immediately on start-up and on injector buzz test (buzzes like the other 7 do) Followed Ford's pinpoint test NA11 thru Na15, and replaced the IDM as directed with same results. Injector harness ohms out at 3.1 from pins 21 and 24 at IDM (statio...
February 09, 2007
2003 Ford F-250 Super Duty Lariat 7.3L MIL Lamp on VIN: 1FTNW21F93
P1273: Cylinder 3 - High To Low Side Open Detected. Sets code P1273 immediately on start-up and on injector buzz test (buzzes like the other 7 do) Followed Ford's pinpoint test NA11 thru Na15, and replaced the IDM as directed with same results. Injector harness ohms out at 3.1 from pins 21 and 24 at IDM (statio...
February 08, 2007
2003 Ford F-250 Super Duty Lariat 7.3L MIL Lamp on VIN: 1FTNW21F93
P1273: Cylinder 3 - High To Low Side Open Detected. Sets code P1273 immediately on start-up and on injector buzz test (buzzes like the other 7 do) Followed Ford's pinpoint test NA11 thru Na15, and replaced the IDM as directed with same results. Injector harness ohms out at 3.1 from pins 21 and 24 at IDM (statio...
February 09, 2007