burnt valve. do a compression test.
There are many things that can cause this issue. It could be that the timing is not set correctly or that the timing chain or belt is stretched causing the car to be out of time.
I don't have a 1984 Nissan Datsun 2.4 liter truck. Did you mean to ask what might be causing YOUR truck to knock?
datsun.............well they are part of nissan therefor datsun makes them
datsun
datsun
a Datsun is a vehicle
Datsun ended in 1986.
Datsun was created in 1931.
The Datsun 510 went by several other names when it was first manufactured in 1968. Some of the other names that this model of vehicle went by include the Datsun Bluebird, Datsun 1300, Datsun 1500, and Datsun 1600.
Datsun Truck was created in 1955.
Datsun Sports was created in 1959.
You can't. The Datsun name was replaced by Nissan in 1982/83. Nissan are the parent company, Datsun where simply the brand.