Troubleshooting |
Ignition System |
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 |
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 |
Ignition wiring | Repair wiring, or replace as required | |
Poor mileage | Spark plugs and spark plug cables | Inspect spark plugs / cable, or replace as required |
Charging System |
Symptom | Suspect Area | Remedy |
Charging warning indicator does not light with ignition switch "ON" and engine off. | Fuse blown | Check fuses |
Light burned out | Replace light | |
Wiring connection loose | Tighten loose connection | |
Electronic voltage regulator | If light turns off, replace voltage regulator. | |
Charging warning indicator does not go out with engine running. (Battery requires frequent recharging) | Drive belt loose or worn | Adjust belt tension or replace belt |
Battery cable loose, corroded or worn | Inspect cable connection, repair or replace cable | |
Electronic voltage regulator or alternator | If light turns off, replace voltage regulator or alternator | |
Wiring | Repair or replace wiring | |
Overcharge | Electronic voltage regulator | If light turns off, replace voltage regulator. |
Voltage sensing wire | Repair or replace wiring | |
Discharge | Drive belt loose or worn | Adjust belt tension or replace belt |
Wiring connection loose or short circuit | Inspect wiring connection, repair or replace wiring | |
Electronic voltage regulator or alternator | If light turns off, replace voltage regulator or alternator | |
Poor grounding | Inspect ground or repair | |
Worn battery | Replace battery |
Starting System |
Symptom | Suspect Area | Remedy |
Engine will not crank | Battery charge low | Charge or replace battery |
Battery cables loose, corroded or worn out | Repair or replace cables | |
Transaxle range switch (Vehicle with automatic transaxle only) | Refer to AT group-automatic transaxle | |
Fuse blown | Replace fuse | |
Starter motor faulty | Replace | |
Ignition switch faulty | Replace | |
Engine cranks slowly | Battery charge low | Charge or replace battery |
Battery cables loose, corroded or worn out | Repair or replace cables | |
Starter motor faulty | Replace | |
Starter keeps running | Starter motor faulty | Replace |
Ignition switch | Replace | |
Starter spins but engine will not crank | Short in wiring | Repair or replace wiring |
Pinion gear teeth broken or starter motor | Replace | |
Ring gear teeth broken | Replace fly wheel or torque converter |
Hyundai Sonata LF 2014-2019 Owners Manual: Corrosion protection
Protecting your vehicle from corrosion
By using the most advanced design and construction practices to combat corrosion,
HYUNDAI produces cars of the highest quality. However, this is only part of the
job. To achieve the long-term corrosion resistance your vehicle can deliver, the
owner’s coope ...
Hyundai Sonata LF 2014-2019 Service Manual: DCT (Dual Clutch Transmission) Components and Components Location
Components (1)
1. Dual clutch transmission assembly2. Clutch actuator3. Gear actuator4. Roll rod supprot bracket5. Engine room under cover6. Roll rod bracket7. Dust cover8. Support bracket mounting bolt9. Transmission support bracket
Components (2)
1. Clutch actuator2. Fork cover3. Spline ...