I have a 97 Ford Ranger, and when the engine light comes on for a while and then turns off. It is because i got bad gas somewhere. What I do is buy some fuel addative and fille the tank with it. Sometimes just one treatment works. Once in a while I have to use two treatments.
4 - modern combustion engines use 1 spark plug per cylinder. ANSWER The 1994 Ford Ranger 2.3 L has Ford's twin plug ignition system , so there are 8 spark plugs The 94-95 Ranger 2.3 has twin plug system, 2 per cylinder =8