F 150 2WD Pickup V8-5.4L SOHC SC VIN 3 (2003)
P0700 - P0704: Testing and Inspection
P0703
For diagnosis of code P0703 refer to system being tested:
Engine Control
P0500 - P071x
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