Escape 4WD V6-181 3.0L DOHC VIN 1 Duratec (2003)
P0455 - P0459: Testing and Inspection
P0456
For diagnosis of code P0456 refer to chart
DTC Index P0442 - P1450
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 Evaporative Emissions diagnostic information, See: Powertrain Management/Computers and Control Systems/Testing and Inspection