Hyundai Kona: Ignition System / Troubleshooting

Hyundai Kona (OS) 2018-2023 Service Manual / Engine Electrical System / Ignition System / Troubleshooting

Troubleshooting

Symptom	Suspect Area	Remedy
Engine will not start or is hard to start (Cranks OK)	Ignition lock switch	Inspect ignition lock switch, or replace as required
	Ignition coil	Inspect ignition coil, or replace as required
	Spark plugs	Inspect spark plugs, or replace as required
	Ignition wiring disconnected or broken	Repair wiring, or replace as required
Rough idle or stalls	Ignition wiring	Repair wiring, or replace as required
Rough idle or stalls	Ignition coil	Inspect ignition coil, or replace as required
Engine hesitates/poor acceleration	Spark plugs and spark plug cables	Inspect spark plugs / cable, or replace as required
Engine hesitates/poor acceleration	Ignition wiring	Repair wiring, or replace as required
Poor mileage	Spark plugs and spark plug cables	Inspect spark plugs / cable, or replace as required

Repair procedures

On-vehicle Inspection Inspect ignition coil assembly and Perform spark test 1. Check for DTCs. ...

Ignition Coil Specifications

Specification Item Specification Primary Coil Resistance (Ω) 0.56 ± 10% [20°C (68°F)] Pin 4 ...

Other information:

Hyundai Kona (OS) 2018-2023 Owners Manual: ISG (Idle Stop and Go) system
The ISG system is to reduce the fuel consumption by automatically shutting down the engine, when the vehicle is at a standstill (i.e. red stop light, stop sign, and traffic jam). The engine is automatically started upon satisfying the starting conditions. The ISG system is always active, when the ...

Hyundai Kona (OS) 2018-2023 Service Manual: Crankshaft Repair procedures
Disassembly • Use fender covers to avoid damaging painted surfaces. • To avoid damaging the cylinder head, wait until the engine coolan ...