does my 2000 t/c 3.8 have a timing belt or chain

YOU HAVE A TIMING CHAIN. THEY SHOULD LAST UP TO 200000 MILES.

I have 281000 miles vehical started shaking then quit running and won't start know getting fuel and spark

do you think it's the timing chain

YES

Do a 96 town &country Chrysler van have a timing chain or a timing belt

I have a 2000 T n C with 250k and never had to replace the chain. Solid engine.