Kia Sorento: Ignition Coil Description and Operation. Ignition Coil Troubleshooting - Ignition System - Engine Electrical SystemKia Sorento: Ignition Coil Description and Operation. Ignition Coil Troubleshooting

Kia Sorento (MQ4, 2021-2026) Service Manual / Engine Electrical System / Ignition System / Ignition Coil Description and Operation. Ignition Coil Troubleshooting

Ignition Coil 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.

Ignition Coil Troubleshooting

Troubleshooting
Connector assembly status test
1.
Remove the connector (A) and reinstall it.

Engine Electrical System — Ignition System / Ignition Coil / Troubleshooting illustration

Engine Electrical System — Ignition System / Ignition Coil / Troubleshooting illustration

Test for changing position of each ignition coil
A : Ignition coil with misfire code
B : Ignition coil without misfire code

Engine Electrical System — Ignition System / Ignition Coil / Troubleshooting illustration

Engine Electrical System — Ignition System / Ignition Coil / Troubleshooting illustration

Note
Do not move with spark plug at the same time (move the ignition coil only)
Ignition Coil Specifications
Specification Item Specification Rated voltage (V) 13.5 Operation v...
Ignition Coil Removal and Installation
Removal 1. Disconnect the battery negative ( - ) terminal. 2. Remove the engine cover. ...
See also:

Exhaust Manifold Components
1. Heat protector 2. Exhaust manifold 3. Exhaust manifold gasket 4. Exhaust manifold stay ...

Parking Brake Repair procedures
Inspection [Pedal Brake Type] ...

Assist Handle Repair Procedures
Removal and Installation 1. Open the assist handle caps (A). 2. ...

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