If you’re apt with your mechanic skills, you could pop the hood and take a look at the potential issues yourself. Taking your Civic to a mechanic is an even better option since you’ll get reassurance about whether or not your car has a maintenance issue.
There’s also a chance that direct injection could be behind the sounds you’ve been hearing. With the “tumble motion” direct injection promotes in the intake charge, Honda’s vehicles achieve high fuel efficiency and better combustion. This feature was introduced in 2012, so it could be causing unwanted noises in your engine.
MORE: What you should know about the Honda Civic battery draining problem