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.
A 1997 Jeep does not have EGR
The heater in the CRV Honda is not working . How do I fix this
A 1997 5.2L doesn't have EGR.
A 1997 Ram does not have EGR
because the intake is probaly clogged up with carbon deposits not letting exhaust gasses back through the intake.
A 1997 Jeep Grand Cherokee does not have EGR.
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 97 Honda VTec PCV valve should be on the valve cover. The valve is a plug-in type and just pulls free.
97 Z28 camero 5.7 egr vavle located on engine
7.3L does not have EGR Valve.
Doesn't have one.