It's round and gold. It's located right on top of the motor near the firewall. there is one vacuum line and 2 nuts holding it in place. hope this helps.
On The passenger side of the motor between the Firewall and the Throttle body
A 1997 Jeep does not have EGR
It probably needs a new valve cover gasket.
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Two drive belts on the 93-97 altima 2.4.
below the steering wheel.
on my 97 hardbody ka24e the egr is under the breather behind the throttle body to the left a bit. It is round metal and has a diphragm under it you can press up on to close the valve which is one of the tests to see if it is failing.
A 1997 Ram does not have EGR