ticking or tapping noise in engine or catalytic converter & water sounds (dash)
What is your question?
2016 Elantra Limited - Car was running so quietly you couldn't tell it was turned on. Hyundai dealership did 45K mile warranty work. Driving home I could hear engine running louder or rougher (tach fine) & a tapping or ticking noise started & has continued. I wonder if they put it on the rack wrong, caused or loosened the exhaust system, gas mileage dropped a bit. The other problem it has is when you start the car, you can hear water moving behind the dash also does sometimes turning engine off.
I had both of these problems with an Altima, the tapping was the catalyst converter went bad & the car required a new engine. I think the water thing had something to do with air conditioner.
What makes this problem better or worse?
Starting engine, hot or cold
How long has your 2016 Hyundai Elantra had this problem?
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