need help 2013 prius with the 1.8 gas engine i have codes p3191 and p3190 .i have cleaned throttle body,checked spark plugs wich are not that old,used a putty knife to block egr tube to verify was not egr.the only 2 other things ive been reading some say fuel pump and auxillary battery.i have no battery codes or lights .when i put in service mode only runs for a minute gets the prius knock then dies .please help any suggestions thank you .and the hybrid problem light comes on when it dies
