A bad EGR valve should not cause the engine to not start. There is most likely another problem that is causing the engine to not start.
It could keep the engine from running, but not the valves from moving.
A very plugged up fuel filter could do that.
If you are sure the engine is not running hot then it could be a bad coolant temp sender.
It could be low on water and stuff, fill it.
Vacuum leak?
the choke could be sticking causing the car the flood
A trained ear could here them while the engine is running. The only way to know for sure is to tear the engine down and check them with a mike.
Chevy it could be a 301 oldsmobile engine or a Chevy 289 and ford it would be a 302 boss engine
Yes, it could.
it could be of running it with out oil.
No
The 1998 Chevy Express 1500 Van could have the 4.3, 5.0 or the 5.7 engine.