Hyundai Kona: Ignition System / Troubleshooting

Hyundai Kona (OS) 2018-2021 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) 2018-2021 Owners Manual: Battery replacement
If the remote key is not working properly, try replacing the battery with a new one. Battery Type: CR2032 To replace the battery: 1. Insert a slim tool into the slot and gently pry open the cover. 2. Using a screw driver, remove the battery cover. 3. Remove the old battery and insert a new battery ...

Hyundai Kona (OS) 2018-2021 Service Manual: Specifications
Specifications Item Specification Master cylinder Type Single Cylinder I.D. 22.22 mm Piston stroke 45 ± 1 mm (1.77 ± 0.039 in) Fluid level switc ...