Navigator 4WD V8-5.4L DOHC VIN A (2000)
P1550 - P1554: Testing and Inspection
For diagnosis of code P1550 refer to chart
P1461 - P1641
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 Engine Control system, follow this link: See: Powertrain Management/Computers and Control Systems/Testing and
Inspection