wont start when it warms up on 1991 Buick Riviera

my car starts without any hesitation in the morning but shuts off and won't start when it gets warm.new plugs wires fuel and air filter.please help ive put 500 dollars in this car since i bought it and i really need it to get to work

by in Candler, NC on August 04, 2010
1 answer
ANSWER by on August 04, 2010
that sounds like the ignition module but the crank sensor will do that also