ok day 6 at dealership..wtf I have a 07 with 18000 miles and just killed 3rd fuel pump the stock went out at 9k and second at 13, second was a 255 walbro because its procharged 4.8 and made over 440rwhp..anyone else seen this problem though was gm pump but just killed a walbro that had extensive work done to pump housing to make pump work with filter intake and regulator assembley.. Gm says fuel pump module is droping voltage and burning pump