I have a 1997 sonata it has 73,000 miles, suddenly today after I went to the store and returned to the car it would not start it cranks over has lots of gas seems like something is not catching

. Test all underdash and underhood fuses with a test light or multimeter.

. Test for codes.

. Replace the Ignition Control Module:

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. Replace the coil:

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. Test for fuel. Do you hear the fuel pump run, when the ignition switch is turned to ON?