fuel pump ba?

[4JGtootsie]

What we usually do to check fuel delivery problems is temporarily replace rubber fuel lines with transparent hoses so we can see if there is pumping activity or air cavitation. Before assuming its the pump or the ECU I suggest you do his simple test.

*burjegol> Carburator type fuel system uses mechanical and sometimes electric pumps to transfer fuel from tank to filters to carb. Vacuum alone will not be enough unless the tank is level with the carb.