Thanks for the feedback guys...

I have checked the O2 sensor and tried jiggling whatever wires I can find in the engine bay during idling but the engine just keepin on idling.

The idling is also smooth and all seems normal....until I press the accelerator, then it will sputter and the engine will die. But if I quickly let my foot off the accelerator pedal the engine continues to idle normally.

For you info, the average ambient temperature is not on the extreme side....77 degrees F to 95 degrees F.

I have also checked the spark, looks normal to me.
I also confirmed threre is fuel available inside both incoming and return fuel line.

However I suspect either the fuel accumulator (located close to the fuel pump and fuel filter) or the fuel distributor to be the culprit. But need you guy's opinion before I replace them.

So guys, could it be the fuel accumulator or fuel distributor. Will it give the same symptom (engine stalled when I press the accelerator) should any of these 2 components fail?

Thanks again for reading this thread...

Cheers