The car will generally start when cold.
And 50% time start when hot.
Of the 50% of the time it won't start, it will have troble kicking, but will kick and start and stay running as long as foot is on go pedal and will stall when go pedal islet go.
Once these events happen, after 10 start up attempts you will get same event.
When this problem happen, takes car 24 hours to rest, before restart can happen.
If you try before 24 hours, it will restart the 24 hours problem.

Duel fuel,
tf
97
3.0L
auto
sedan

new battery.
new starter motor.
Will run normally when works.

Had multiple people attempt to diagonse issue, about a week of scrap metal and being replace by AU ford. ;)

Search forums everywhere.

When you start cold is it LPG or Petrol?
When you start hot is it LPG or Petrol?

When starting hot on petrol the fuel pressure regulator may be acting up or the system is not switching back to petrol when it has been running LPG for the restart.
What has been diagnosed so far. Have they confirmed that the control box is switching between petrol and gas properly. Vee

When starting cold, ever will work, and generally starting when hot, i start what fuel i was previous on, generally petrol is more likely to restart the lpg i think.

Also you can change from petrol to lpg, or lpg to petrol when driving.

Car is tuned to run lpg i am told.