M8 wish i could help , but on what u wrote i would say the chips ur problem wa ur boosting problem ither take it out and try with ur old chip , this is what i would do to rule out some stuff and would have a quick look at ur wastgate make sure its free etc and is doing what it should be , and with the fuel lines m8 i cant help u there , hopefully sombdy on here will , hope u get it bak runnin again , coz bait it goes like fuk