Kia Sportage: Knock Sensor (KS): Description and Operation
Kia Sportage Service & Repair Manual (3rd Generation, SL; 2011-2016) / Engine Control / Fuel System / Engine Control System / 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.
Inspection
1.
Check the signal waveform of the CMPS and CKPS using the GDS.
Specification: Refer to “Wave Form”
Removal
•
DON’T remove the c...
Camshaft Position Sensor (CMPS): Repair procedures
Specification
ItemSpecificationCapacitance (pF)850 ~ 1,150...
Knock Sensor (KS): Specifications
See also:
Cylinder Head: Repair procedures
Removal
•
Use fender covers to avoid damaging painted surfaces.
•
To avoid damaging the cylinder head, wait until the engine
coolant temperature ...
Cup holder
WARNING - Hot liquids
Do not place uncovered cups with 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 ...
Emergency towing precautions
Turn the ignition switch to ACC so the steering wheel isn’t locked.
Place the transaxle shift lever in N (Neutral).
Release the parking bake.
Press the brake pedal with more force than usua ...
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