Need help

Driving my 2002 ram 1500 4.7 oil
pressure dropped check light come
on and truck died it through crank
sensor code replaced it and only will
turn over 4 months later I'm about to
loose everything having no work
truck I've replaced basically
everything and learned a thing or two
you name it I've dun it twice hears
were im at put battery in truck try
starting it and it will for 5 seconds
sounds a little rough then dies won't
start again through no codes chek
light does come on? And the brake
and ABS light every time I crank it all
accessories work weird thing un
hook battery cone back days later
put battery in it will start right up 5
seconds and die all the same chek
light no codes readable brake and
ABS light in and won't start again
well kept 38 thousand miles on
motor 187 on tranny owned it for
close to 3 years the truck did start to
ware the front tires un even and
dome light never worked it's
becoming a permanent lown
ornament also I can fix anything this
truck I'm failing so I say please help
any ideas I've dun so much it's to
much to type.    Thanks