Misfiring - 2010 Chevrolet Cobalt
A misfire can be caused for several reasons such as bad plugs (which you have fixed), detonation (bad timing), bad ignition coil (https://www.yourmechanic.com/services/ignition-coil-replacement), vacuum leak (https://www.yourmechanic.com/article/is-it-safe-to-drive-with-a-vacuum-leak), faulty fuel injectors (https://www.yourmechanic.com/services/fuel-injector-replacement), low fuel pressure or faulty spark plug wires (https://www.yourmechanic.com/services/ignition-cable-spark-plug-wires-replacement) to...