91 chevy truck dies randomly
 

91 chevy scottsdale starts fine but when i get on it while its still cold and come to sudden stop it sputters out and dies. sometimes it just dies out of nowhere. and sometimes it sputters warmed up too... i had codes 33 42 &44
replaced O2 and cleared codes and havent gotten one since but still have problems....help?

check your fuel pressure, probably have low fuel pressure