Kia Niro: Ignition System / Spark Plug Description and operation

Description

An ignition coil is an induction coil in an engine's ignition system which transforms the battery's low voltage to the high voltage needed to create an electric spark in the spark plugs to ignite the fuel. Coils have an internal resistor while others rely on a resistor wire or an external resistor to limit the current flowing into the coil from the battery 12 V supply.

Spark Plug Specifications
Specification Item Specification Type ELR9ISP8+ Gap 0.7 - 0.8 mm (0.0276 - 0.0314 in.) ...

Spark Plug Repair procedures
Inspection [On vehicle inspection] 1. Accelerate the engine to about 3,000 rpm 3 times or more. 2. Remove the spark plug. ...

Other information:

Kia Niro 2017 (DE HEV) Service Manual: Motor Control Unit (MCU) Components and components location
Components Location 1. HPCU assembly ...

Kia Niro 2017 (DE HEV) Service Manual: Seat Heater Switch Components and components location
Components Front Seat Switch 1. Driver side seat heater switch 2. Passenger side seat heater switch Rear Seat Switch 1. Rear seat heater switch (LH/RH) ...

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