Signal Rotor/Camshaft Position (CMP) Sensor
WARNING: This page is about a different car, the 1996 Pontiac Firefly and 1996 Geo Metro. However, it is still accessible from the selected car via links, so may be relevant.
Measure signal rotor/CMP sensor air gap. If gap is not .008-.016" (.20-.40 mm), adjust or replace distributor. Check signal rotor/CMP resistance. See SYSTEM/COMPONENT TESTS article.