Is the duel overhead can 04 have timing chains or belts?

The Duel Overhead Cam (DOHC) design typically uses timing belts or timing chains to synchronize the engine's camshafts with the crankshaft. Whether a specific DOHC engine uses a timing chain or a belt can vary by manufacturer and engine model. It's essential to consult the engine specifications or service manual for the particular engine in question to determine which type it employs.