Hyundai Sonata LF: Engine Electrical System / Ignition System

Troubleshooting

Troubleshooting Ignition System SymptomSuspect AreaRemedyEngine will not start or is hard to start (Cranks OK)Ignition lock switchInspect ignition lock switch, or replace as requiredIgnition coilInspect ignition coil, or replace as requiredSpark plugsInspect spark plugs, or replace as requiredIgnition wiring disconnected or brokenRepair wiring, or replace as requiredRough idle or stallsIgnition wiringRepair wiring, or replace as requiredIgnition coilInspect ignition coil, or replace as requiredEngine hesitates/poor accelerationSpark plugs and spark plug cablesInspect spark plugs / cable, or replace as requiredIgnition wiringRepair wiring, or replace as requiredPoor mileageSpark plugs and spark plug cablesInspect spark plugs / cable, or replace as required Charging System SymptomSuspect AreaRemedyCharging warning indicator does not light with ignition switch "ON" and engine off...

Description and Operation

Description Ignition timing is controlled by the electronic control ignition timing system. The standard reference ignition timing data for the engine operating conditions are pre-pro grammed in the memory of the ECM (Engine Control Module)...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Front Door Trim Repair procedures

Replacement     • Put on gloves to protect your hands.     • When prying with a flat-tip screwdriver or use a prying trim tool, wrap it with protective tape, and apply protective tape around the related parts, to prevent damage...

Hyundai Sonata LF 2014-2019 Service Manual: Center Facia Upper Panel Components and Components Location

C..