P1000 just means drive cycle tests have not been completed
Follow procedures here: Ford Motor Company Driving Cycle
Once it is drive-able, of course
With gas on the spark plugs CKP sensor is working, but computer is not able to start spark.
1998 Ranger shouldn't have PATS, and it disables fuel not spark, also you would get a rapid flash anti-theft light if it was alarm related issue.
IMO you are looking at a computer issue, pull computer connection off and check it for corrosion, then pull computer out and remove the top to check for burnt circuit board areas.
Computer does use several Grounds which are not shared internally, so if you have done any wiring changes prior to this issue then go back and double check your changes.