Engine Electrical System

Troubleshooting

~1min read

Troubleshooting

Symptom of Malfunction Probable Cause Remedy
Engine Does Not Start or Is Hard to Start
Starts (Starts Normally)
Ignition Switch Inspect the ignition switch or replace if necessary.
Ignition Coil Inspect the ignition coil or replace if necessary.
Spark Plugs Inspect the spark plugs or replace if necessary.
Ignition wiring is disconnected or damaged. Repair the wiring or replace if necessary.
Rough Idle or Stalls Ignition Wiring Repair the wiring or replace if necessary.
Ignition Coil Inspect the ignition coil or replace if necessary.
Engine shakes / poor acceleration Spark plugs and spark plug cables Inspect spark plugs / cable or replace if necessary
Ignition Wiring Repair the wiring or replace if necessary.
Poor mileage Spark plugs and spark plug cables Inspect spark plugs / cable or replace if necessary

Test yourself

A quick Hyundai Palisade quiz: every answer comes with an explanation and a link to the manual page.