870 2006 fuel lift pump

[akwman]

(07-10-2019 )Chamberpains Wrote:  Have you checked and changed your fuel filters? Also blow out your fuel lines. You may have sucked some garbage up from the tanks or when changing the lift pump. Could also be the fuel pump but that normally comes with a code.

It appears this thing is working , I hear the fuel being cycled through. It is returning to the passenger side tank . It also seems it does not hold its prime . I got it to run , then it dies . I am stumped . I am thinking a check valve, then I am also thinking ecm.Thank you for your help .