I have an Australian built mid ninety's Ford and and is a complete piece of ****. My problem seems to be related to high ambient temps and my fuel pump starving of fuel after the fuel system heats up. On cold days the car runs fine but on days approaching 100deg F the car will will run fine for a while then start to splutter and cut out. If you try to re start the car the fuel pump takes longer than normal to build up line pressure then if you crank the car you hear the fuel pump spin flat out as if the pump is unable to draw in any fuel. It also seems to happen a lot quicker in stop start traffic. I have removed the pump checked all fittings, pump strainer, pump voltage under load but I have only just bought the fittings to check fuel pressure so I'll do that tomorrow, I will also change the fuel filter after I get my base pressure reading. I know the engine is running at the correct temperature as I have tested the temp sender resistance cold and at operating temp and it is within spec as are all of the other sensors on the engine,(haven't tested the MAP sensor but it is unrelated to this problem) I have also changed the thermostat and radiator. All I can think of that could cause my problem is a dud pump, faulty regulator that bypasses somehow when it gets hot or no restrictor in the return line to the tank causing the fuel to boil after returning from the hot engine bay as the return is right next to the pickup. Cheers for any assistance, also I hate this car very very much so I am trying to diagnose stuff before throwing money at it as it brakes my heart to waste money fixing an Australian built car.