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: Components and components location
Component Location 1 . AVN head unit 2. External amplifier (Option) 3. Roof antenna (AM/FM+GPS) 4 . Multimedia jack 5 . Steering wheel remote control (SWRC) 6 . Hands-free mic (Built-in overhead console) ...

Kia Niro 2017 (DE HEV) Service Manual: Spark Plug Specifications
Specification Item Specification Type ELR9ISP8+ Gap 0.7 - 0.8 mm (0.0276 - 0.0314 in.) Electrode Material Iridium ...

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