Today I notice a new(?) noise come out from my car.
whenever I hit on the gas, there is a "clicking" noise come out from the engine bay just behind the passenger side firewall.

..P.....D..
---------
|.S.......|
|..........|
---------
Front

Engine Bay
P:passenger
D:driver
S:sound

Is this normal?
Or, should I take it to a shop to get it check out?



Maroon 99 Contour SE 2.5L V6 ATX