Check and see if you blew the ECM b fuse. Happened to me when I put the walbro in mine.
what he said, if its a 10 amp, swap it out to a 15 amp and you should be fine.
welcome to the world we live in man... trust me its not you. ive worked as a tech for 10 years and owned my own shop for about 4- the % of defect parts seems to go higher every year- even though the prices for parts are going through the roof