Hyundai Elantra MD/UD: Troubleshooting
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 |
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Spark plugs |
Inspect spark plugs, or replace as required |
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Ignition wiring disconnected or broken |
Repair wiring, or replace as required |
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Rough idle or stalls |
Ignition wiring |
Repair wiring, or replace as required |
|
Ignition coil |
Inspect ignition coil, or replace as required |
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Engine hesitates/poor acceleration |
Spark plugs and spark plug cables |
Inspect spark plugs / cable, or replace as required |
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Ignition wiring |
Repair wiring, or replace as required |
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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 |
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Light burned out |
Replace light |
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Wiring connection loose |
Tighten loose connection |
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Electronic voltage regulator |
If light turns off, replace voltage regulator. |
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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 |
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Battery cable loose, corroded or worn |
Inspect cable connection, repair or replace cable |
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Electronic voltage regulator or alternator |
If light turns off, replace voltage regulator or alternator |
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Wiring |
Repair or replace wiring |
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Overcharge |
Electronic voltage regulator |
If light turns off, replace voltage regulator. |
|
Voltage sensing wire |
Repair or replace wiring |
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Discharge |
Drive belt loose or worn |
Adjust belt tension or replace belt |
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Wiring connection loose or short circuit |
Inspect wiring connection, repair or replace wiring |
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Electronic voltage regulator or alternator |
If light turns off, replace voltage regulator or alternator |
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Poor grounding |
Inspect ground or repair |
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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 |
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Transaxle range switch (Vehicle with automatic transaxle only) |
Refer to AT group-automatic transaxle |
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Fuse blown |
Replace fuse |
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Starter motor faulty |
Replace |
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Ignition switch faulty |
Replace |
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Engine cranks slowly |
Battery charge low |
Charge or replace battery |
|
Battery cables loose, corroded or worn out |
Repair or replace cables |
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Starter motor faulty |
Replace |
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Starter keeps running |
Starter motor faulty |
Replace |
|
Ignition switch |
Replace |
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Starter spins but engine will not crank |
Short in wiring |
Repair or replace wiring |
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Pinion gear teeth broken or starter motor |
Replace |
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Ring gear teeth broken |
Replace fly wheel or torque converter |
