Visual Inspection
WARNING: This page does not describe the selected car, but rather 13 other vehicles, including the 1991 Plymouth Colt Vista, 1991 Plymouth Colt, 1991 Mitsubishi Pickup, 1991 Mitsubishi Montero, and 1991 Mitsubishi Mirage. However, it is still accessible from the selected car via links, so may be relevant.
Visually inspect all electrical wiring, looking for chafed, stretched, cut or pinched wiring. Ensure electrical connectors fit tightly and are not corroded. Ensure distributor cap and rotor are free of cracks, carbon trails or contamination. Ensure vacuum hoses are properly routed and not pinched or cut. See VACUUM DIAGRAMS article to verify routing and connections (if necessary). Inspect air induction system for possible vacuum leaks.