Hey C. S. RICHTER,
The evap vacuum purge valve is up by the engine near the valve cover, here is a diagram of what it looks like the canister purge valve is under the car in the back.
Check out the diagrams (Below)
Please let us know if you need anything else to get the problem fixed.
Images (Click to enlarge)
Saturday, January 28th, 2017 AT 12:30 PM