Accord 2.3L

Check battery. See appropriate STARTERS article in STARTING & CHARGING SYSTEMS.
Check starting system. See appropriate STARTERS article in STARTING & CHARGING SYSTEMS.
Check fuel pump. See SYSTEM & COMPONENT TESTING article.
Check ignition wires, ignition coil and Ignition Control Module (ICM). See BASIC DIAGNOSTIC PROCEDURES article.
Check PGM-FI main relay. See SYSTEM & COMPONENT TESTING article.
Check for low engine compression.
Check for intake system air leaks.
Check for a seized engine.
Check for a slipped/broken timing belt.
Check for contaminated fuel.