Kia Optima: Knock Sensor (KS). Description and Operation - Engine Control System - Engine Control/Fuel System - Kia Optima TF 2011-2019 Service ManualKia Optima: Knock Sensor (KS). Description and Operation

Description

Knocking is a phenomenon characterized by undesirable vibration and noise and can cause engine damage. Knock Sensor (KS) is installed on the cylinder block and senses engine knocking.

When knocking occurs, the vibration from the cylinder block is applied as pressure to the piezoelectric element. When a knock occurs, the sensor produces voltage signal. The ECM retards the ignition timing when knocking occurs. If the knocking disappears after retarding the ignition timing, the ECM will advance the ignition timing. This sequential control can improve engine power, torque and fuel economy.


Installation
Х Install the component with the specified torques. Х Note that internal damag ...

Knock Sensor (KS). Specifications
Specification Item Specification Capacitance (pF) 850 ~ 1,150 ...

See also:

Cup holder
WARNING - Hot liquids Do not place uncovered cups of hot liquid in the cup holder while the vehicle is in motion. If the hot liquid spills, you may burn yourself. Such a burn to the driver ...

Removal
1. Disconnect the battery negative cable and wait for at least three minutes before beginning work. 2. Remove the glove box housing. (Refer to the Body group- crash p ...

Air Flow Control (Mode Switch)
The mode selection button controls the direction of the air flow through the ventilation system. The air flow outlet port is same as manual climate control system. Face position Air flow is dir ...

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