Hyundai Accent: Limitation of Active ECO operationIf the following conditions occur while Active ECO is operating, the system operation is limited even though there is no change in the ECO indicator.
Active ECO operation
Economical operationInspection
Sprockets, Hydraulic
Tensioner, Chain Guide, Tensioner Arm
1.
Check the CVVT sprocket, crankshaft sprocket teeth
for abnormal wear, cracks or damage. Repla ...
Check 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. ...
Removal
1.
Disconnect the battery negative cable, and wait for at least three
minutes before beginning work.
2.
Remove the front seat assembly.
...