Kia Cee'd: Active ECO system / When Active ECO is activated

The above situations are normal conditions when the active eco system is activated to improve fuel efficiency.

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 ...

Limitation of Active ECO operation
If the following conditions occur while Active ECO is operating, the system operation is limited even though there is no change in the ECO indicator. When the coolant temperature is low: ...

Other information:

Kia Cee'd JD Service Manual: Heated Oxygen Sensor (HO2S) Specifications
Specification HO2S [Bank 1/Sensor 1]   Item Specification Heater Resistance (Ω) 2.4 ~ 4.0 [20°C(68°F)] HO2S [Bank 1/Sensor 2]   A/F Ratio (λ) Output Voltage(V) ...

Kia Cee'd JD Service Manual: PTC Heater (Gasoline Engine) Description and operation
Descriptionddd The PTC (Positive Temperature Coefficient) heater is installed at the exit or the backside of the heater core. The PTC heater is an electric heater using a PTC element as an auxiliary heating device that supplements deficiency of interior heat source in high ...

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