Land Rover replaced the valve cover and the engine could not turn.

Reasons why the engine of Land Rover replacing the valve cover does not turn:

1, the throttle is too dirty.

2. Spark plug failure.

3. One cylinder of the engine does not work.

4. Rubber parts inside engine bracket and gearbox bracket are aging.

5. The intake manifold pipe is loose or the hose is broken.

6. Air leakage from the intake manifold gasket.

7. The intake manifold is damaged or other parts grind holes in the intake manifold.