My 1986 nissan 300zx 2+2 some times will not start after it has been driven. The engine truns over but is will not stay cranked. After is sits for an hour or so it will crank and may run for days.
Ok here is one thing you may want to check had the same problem it was my fuel pump relay located behind the battery check the wires one may be loose. the other is the head temperature sensor also i would recommend to change sparks as well
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