Hi guys my name is Trevor from South Africa

I have replaced the 2 coils , HT leads , spark plugs , crank sensor as well as the cam sensor .
engine turns over but has no spark, what could be wrong please Disco 2 Pertol

 

Have you checked crank position sensor? CPS? is inertia switch depressed?

 

The OP said he replaced the crankshaft position sensor.

I see it's your first post. Welcome to the forum!

When you try to start the truck, does the tachometer move at all? If not, that indicates the the ECU is not getting a signal from the crankshaft position sensor (CKPS). It's either faulty, even though you replaced it, or it's perhaps not installed correctly. The spacers must be installed in the same orientation they were previously.