E 350 V8-5.4L CNG VIN M (2004)
P1120 - P1124: Testing and Inspection
P1120
For diagnosis of code P1120 refer to chart
P0723-P1150
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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