F 150 Heritage 4WD Pickup V8-5.4L SOHC VIN Z Bi-fuel (2004)
P0300 - P0304: Testing and Inspection
P030x
For diagnosis of code P030x refer to chart
P0230-P0360
NOTE: "x" equals any number 0 through 9 or letter A through F.
If there is no link in the chart then: