intermittent clicking when car is off at egr

2003 CHEVROLET TRACKER
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MACAW775
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2003 Chevrolet Tracker. Keys aren't even in it and it is heard clicking from under the hood at the egr valve and also under the dash driver side inside by the relay. This is when the car isn't even running. It is parked in front of the house. Any ideas?
Mar 28, 2015 at 5:58 PM
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HMAC300
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find the relay that clicks and remove it then check that circuit out.
Mar 29, 2015 at 8:16 AM