Here are important things to check if your car or vehicle doesn't start

[Segun a.k.a Legalwealth]

Without any previous signs, any car or vehicle could decide not to start. If that happens, check the underlisted things;

Check if compression triggers on th valves and the piston ring gasket.

Check if a spark occurs on spark plugs and coils.

Check if a fuel supply is happening with the help of injectors and if the fuel pressure is okay.

Check if the timing of the above-listened three things is fine.