The gap setting on a 2000 Honda Civic depends on the engine type.

For the 1.6L engine, the gap setting is 0.044 inches (1.1mm).

For the 1.7L engine, the gap setting is 0.039 - 0.043 inches (1.0 - 1.1mm).

It's important to note that the correct gap setting is crucial for proper engine performance and fuel economy. Always refer to the vehicle owner's manual or a trusted repair manual for specific gap settings.