Explorer 2WD V6-245 40L SOHC VIN K SFI (2001) - P0190 Diagnostic Trouble Code Information
P0190 - P0194: Testing and Inspection
P0191
For diagnosis of code P0191 refer to chart
P0172 - P0304
If there is no link in the chart then:
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This code is not a valid code for this vehicle