Where is fuel filter on chevy 08 cobalt 2.4 engine - ASAP Jan 27, 2010Where is fuel filter on chevy 08 cobalt 2.4 engine - Answered by a verified Chevy Mechanic where is the fuel filter on 08 chevy cobalt with 2.2 I own a 2006 Chevy Cobalt SS with the 2.4 liter engine (not turbocharged). There seems to be oil leaking from the engine mount that is located under the air filter housing. Chevrolet Cobalt Fuel Filter - AutoZone Order Chevrolet Cobalt Fuel Filter online today. Free Same Day Store Pickup. Check out free battery charging and engine diagnostic testing while you are in store.