How do you fix missing problem for 1992 nissan pickup?

To fix the missing problem in a 1992 Nissan pickup, start by checking the basics: inspect the spark plugs, ignition wires, and distributor for wear or damage, as these can cause misfires. Next, examine the fuel system, ensuring the fuel filter is clean and the fuel pump is functioning properly. Additionally, check for vacuum leaks in hoses, and inspect the air filter for clogs. If the problem persists, consider using an OBD-I scanner to diagnose any potential engine codes that may indicate specific issues.