E 150 V8-4.6L VIN W (2006)
P0500 - P0504: Testing and Inspection
P0503
For diagnosis of code P0503, refer to chart:
P0503
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/Transmission Control Systems/Testing and Inspection