engine cranks but wont start on 2005 Chevrolet Cobalt

I replaced the spark plugs,checked the fule lines and filters but still it won't start,could it be my timing chain or something eles?

by in Gallup, NM on May 13, 2010
Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews
2 answers
ANSWER by , May 13, 2010
i would hook it up to a scantool to see if you get any codes it could be a bad sensor cam or crankshaft sensors or a parking neutral switch also a security light issue which is related to programing
ANSWER by , April 06, 2011
try ignition coil