It can cause massive Engine failure and blow up the whole car, so be careful.
Yes
EGR VALVE IS LOCATED NEXT TO THE TOP RADIATOR HOSE AT THE ENGINE, IT CAN CAUSE ENGINE TO MISS, STALL AND SURGE.
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.
Even a good EGR valve may cause an engine to stall in hot weather.
It can.
A bad EGR valve in a 2000 Saturn can have several symptoms. The EGR valve can cause misfires, the valve can cause vacuum leak style problems. There could also be an engine knock.
A faulty or clogged egr valve can cause an engine to run rough. If stuck or clogged the valve can be cleaned after removal with carburetor cleaner.
Yes
The EGR valve is located at the front of the h22a4 engine. The EGR valve is right beside of the front of the EGR valve.
Yes. Carbon deposits in the EGR valve can cause it to stick open a bit and cause a rough idle. If it is bad enough, the engine will stall out when you slow to a stop.
As I recall, that engine does not have an EGR valve.
There is NOT an EGR valve on this engine.