Hyundai Accent: Immobilizer System
Troubleshooting
Components and Components LocationCheck spark plugs and ignition system
Inspect your spark plugs as described in section 7 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. ...
Active ECO operation
Active ECO helps improve fuel efficiency by controlling the engine and transaxle.
But fuel-efficiency can be changed by the driver's driving habits and road conditions.
When the Active ECO ...
Inspection
1.
Insert a thin stick (A) into the PCV valve (B) from
the threaded side to check that the plunger movement.
...