long start up for Chevy Avalanche?

[nvidiatn]

hello

I am having problem in starting up the Avalanche 2007 LTZ

it takes very long time ..not like usual ...

and this happen after I full up my tank yesterday


is it fuel pump? or any other senser? or wires?

anybody faced this problem

any help?
please

I dont like to drive it like this
its not computer related or bad gas
I kw that



just want to kw if somebody faced the same problem or not