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It’s definitely more noticeable when I lift the hood and hard to tell but might be coming from the front. Would a dying water pump cause the higher idling?
I imagine if the water pump was going you may see slightly higher or lower rpm. Hard to say for sure as of right now. Grab a listening stick and put it up to the water pump housing and listen through it. Need a piece of PVC pipe. Like 3/4in diameter by like 4 ft long. It'll amplify and isolate noise coming through the tube to your ear based on where you place the other end. It will help you to isolate the noise. That's what my next step would be.
 
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