2003 heritage softail check engine light?

If the check engine light on a 2003 Heritage Softail is illuminated, it could indicate a variety of issues ranging from minor to more serious problems. Common causes include issues with the fuel system, exhaust system, or sensors such as the oxygen sensor. It's advisable to use a diagnostic tool to read the trouble codes stored in the engine's computer, which can help pinpoint the specific issue. Regular maintenance and addressing any underlying problems promptly can help prevent further complications.