You will have to fix whatever faults are in the system.
The computer will also show "pending" codes that have not yet turned on the CEL and these will also (in addition to the incoplete monitor tests) likely cause the test to fail.
Steve
98 Contour SE Sport 2.5 Duratec ATX The wifey's car
89 Taurus SHO - 246K miles
94 SHO ATX - 190K
1997 F-150 5.4L ATX - The Workhorse 150K.
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