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P1263 Diagnostic Trouble Code Discussion for June 2009

Cylinder 3 High To Low Side Short

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Trouble Ticket Help Requests for DTC P1263
Help Request Posted
2001 Ford F-450 Super Duty Lariat 7.3L Hesitation, Surge, MIL Lamp on VIN: 1FDXF46F01
P1263: Cylinder 3 - High To Low Side Short Detected. I just recently put new fuel injectors,injector harnesses,valve cover gaskets,IPR,ICP,and high pressure oil pump. After the injector job I road tested this unit for about 20 miles with no issues. It had plenty of power and ran well. The driver went to leave wi...
June 22, 2009