F 150 Heritage 4WD Pickup V8-5.4L CNG VIN M (2004)
P0145 - P0149: Testing and Inspection
P0148
For diagnosis of code P0148 refer to chart
P0148-P0191
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
