1998 S10 truck 2.2 l ls model cuts off ocassionally

What is your question?

1] While driving truck cuts off after about 5 min it will start up must constant rev truck 2]observed before starting battery light comes on did not happen before and while driving battery gauge dropping from half and sometimes shut off if i feel it would shut off i would constantly rev truck in park which helps 3]observed after gasing up it may cut off or sometimes losing idle 4]after making a U turn or agressiveling driving around a roundabout it may shut off 5]checked fuel pressure it should read approx 47 but flucates between 30,to 37.. 6] truck does ocassionally lose idle 7] sometimes while driving 40mph its would just cut off .. need all the advise I can get