i have a 96 nissan sentra with the 1.6 DOHC that will crank but not start? on 1996 Nissan Sentra

while driving one day the car jus died. i suspected the timing chains but after i looked to see if it was getting spark it has a very low spark. its getting air and fuel but i need to know if i should pull the timing chains or get a new distribution system...?

Asked by for the 1996 Nissan Sentra
Also check dist. rotor button and cap if they look ok replace distributor assembly.
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do a compression test first