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P1273 Diagnostic Trouble Code Discussion for November 2006

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

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Trouble Ticket Help Requests for DTC P1273
Help Request Posted
2001 Ford F-350 Super Duty XL 7.3L Poor Idle Quality, Misfire, HARD TO START VIN: 1FTWF33F81
P1273: Cylinder 3 - High To Low Side Open Detected. this powerstroke is very hard to start. after you do get it started it runs real rough an it acts like its running on 4 cyls. when it warms up it runs fine. i put my ford ids scan tool on & try to do a cyl. balance test & it won't because the engine oi...
November 22, 2006