F 150 4WD Pickup V8-5.4L CNG VIN M (2001)

P0400 - P0404: Testing and Inspection
P0400
For diagnosis of code P0400 refer to chart
P0305 - P0442
If there is no link in the chart then:
-
This code is not a valid code for this vehicle
P0400 - P0404: Testing and Inspection
P0400
For diagnosis of code P0400 refer to chart
P0305 - P0442
If there is no link in the chart then:
-
This code is not a valid code for this vehicle