Next to the upper radiator hose, on the passenger side of the vehicle.
A 1997 Jeep does not have EGR
A 1997 5.2L doesn't have EGR.
A 1997 Ram does not have EGR
The 2002 Grand Vitara EGR valve is located on top of the engine. The EGR valve will be between the engine and the battery.
buy the haynes manual
Pretty sure the 97 Honda CRV doesn't have an EGR valve. I have a service manual for the 97 and it's nowhere to be found. I think some Civics didn't have one either.
On the Head itself.
After unbolting the EGR valve, clean it with a carburetor spray. Allow it to dry completely before reinstalling the valve.
The most common cause of that is a bad EGR Valve.
7.3L does not have EGR Valve.
97 Z28 camero 5.7 egr vavle located on engine
The cost of the EGR valve ranges, depending on where the part is bought from. It can cost anywhere from $58 to $100.