F 450 4WD Super Duty V8-6.0L DSL Turbo VIN P (2003)
P0840 - P0844: Testing and Inspection
P0841
For diagnosis of code P0841 refer to chart
Part 15 Of 19
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