F 250 2WD Super Duty V8-5.4L VIN 5 (2006)
P1265 - P1269: Testing and Inspection
P1266
For diagnosis of code P1266, refer to chart:
P1266 (Part 1)
P1266 (Part 2)
If there is no link in the chart then:
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This code is not a valid code for this vehicle
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Or information published by the manufacturer for this vehicle did not include this code
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For complete diagnosis of the system, follow this link: See: Powertrain Management/Computers and Control Systems/Testing and Inspection