Symptom | Suspect area | Remedy |
Engine will not start or is hard to start (Cranks OK) | Ignition lock switch Ignition coil Spark plugs Ignition wiring disconnected or broken | Inspect ignition lock switch, or replace as required Inspect ignition coil, or replace as required Inspect spark plugs, or replace as required Repair wiring, or replace as required |
Rough idle or stalls | Ignition wiring Ignition coil | Repair wiring, or replace as required Inspect ignition coil, or replace as required |
Engine hesitates/poor acceleration | Spark plugs and spark plug cables Ignition wiring | Inspect spark plugs / cable, or replace as required Repair wiring, or replace as required |
Poor mileage | Spark plugs and spark plug cables | Inspect spark plugs / cable, or replace as required |
Symptom | Suspect area | Remedy |
Charging warning indicator does not light with ignition switch "ON" and engine off. | Fuse blown Light burned out Wiring connection loose Electronic voltage regulator | Check fuses Replace light Tighten loose connection Replace voltage regulator |
Charging warning indicator does not go out with engine running. (Battery requires frequent recharging) | Drive belt loose or worn Battery cable loose, corroded or worn Electronic voltage regulator or alternator Wiring | Adjust belt tension or replace belt Inspect cable connection, repair or replace cable Replace voltage regulator or alternator Repair or replace wiring |
Overcharge | Electronic voltage regulator Voltage sensing wire | Replace voltage regulator Repair or replace wiring |
Discharge | Drive belt loose or worn Wiring connection loose or short circuit Electronic voltage regulator or alternator Poor grounding Worn battery | Adjust belt tension or replace belt Inspect wiring connection, repair or replace wiring Replace voltage regulator or alternator Inspect ground or repair Replace battery |
Symptom | Suspect area | Remedy |
Engine will not crank | Battery charge low Battery cables loose, corroded or worn out Transaxle range switch (Vehicle with automatic transaxle only) Fuse blown Starter motor faulty Ignition switch faulty | Charge or replace battery Repair or replace cables Refer to TR group-automatic transaxle Replace fuse Replace Replace |
Engine cranks slowly | Battery charge low Battery cables loose, corroded or worn out Starter motor faulty | Charge or replace battery Repair or replace cables Replace |
Starter keeps running | Starter motor Ignition switch | Replace Replace |
Starter spins but engine will not crank | Short in wiring Pinion gear teeth broken or starter motor Ring gear teeth broken | Repair wiring Replace Replace fly wheel or torque converter |
