Any suggestions please.

1992 Plymouth Acclaim cranks strong -- battery at 12.5 volts -- but won't
start. Hasn't been started for 36 hours before discovery of the problem.
Engine code is 55. Fuel filter is several years old. Alternator is new.
Timing belt and muffler are fairly new.

I'm going to go check the tailpipe to see if somebody put a potato in it.


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