Ford Repair Questions? Ask a Mechanic for Answers ASAP
Here is the 2 I show for a 1991 exployer with a 4.0 If you need different let me know what calibration code you have on your engine.
this is the one that shows for that cal code.
See if this one looks any better its hard to find one with all the vac. related circuits on it instead of just the emissions related ones like above.