See also:

Check Spark Plugs and Ignition System
Inspect your spark plugs and replace them if necessary. Also check all ignition wiring and components to be sure they are not cracked, worn or damaged in any way. ...

Changes for 2010
The biggest change for the 2010 Accent is its mileage. All trim levels see at least a 1 mpg bump, and the all-new base trim level, called Blue, gets a large jump versus the 2009 base model. The Bl ...

Spark Plugs
Make sure to install new spark plugs of the correct heat range. ...