Other Possible Causes

WARNING: This page is about a different car, the 2000 Honda Prelude. However, it is still accessible from the selected car via links, so may be relevant.

Check for:

Insufficient fuel pressure or inadequate fuel flow.
Clogging, blocked or leaking fuel line.
Clogging fuel filter.
Fuel pressure regulator stuck open.
EGR system malfunction.
Distributor malfunction.
Open or shorting ignition coil wire.
Ignition Control Module (ICM) malfunction.
Carbon deposits on valves.
Low engine compression.
VTEC system malfunction.
Fuel octane level less than specification or very low fuel level.