Sega 1.6 Throttle, fuel injector and ignition coil all reported faults. What is the fault if you can't refuel? Is it a computer?

1. Common faults of low-voltage circuit: insufficient battery storage capacity; Poor or chaotic wire connection; Poor battery grounding; The distributor or Hall sensor is damaged; The ignition switch is damaged or poorly wired; The transistor ignition control unit is damaged or poorly wired. The fault diagnosis methods of low-voltage circuits mostly use ammeter or voltmeter to check line by line to eliminate fault points.

2. Common faults of high-voltage circuits: high-voltage lines fall off or leak electricity; Damage and fracture of distributor cover; Ablation, breakage and damage of distributor head; The gap between spark plug electrodes is too large or too small; Excessive carbon deposition in spark plug; Spark plug insulator is damaged; The ignition coil is damaged or the wiring falls off.

3. High-voltage ignition test method is mostly used for high-voltage circuit faults, that is, unplug the high-voltage line in the distributor center or a cylinder, put the thread end 3-6mm away from the cylinder, and start the engine ignition test. There is a spark and the spark is strong, indicating that the ignition system is working normally.