One or more spark plug wires could be going bad. The porceline insulator on a spark plug could be cracked.
bad ignition timing.
There are several things that can cause your 2003 or Expedition to misfire. The most common cause is a plugged catalytic converter.
what are the possible causes of misfire on number one cylinder in a dodge 2003 ram 4.7 liter engine
The Ignition Coil is the one that cause misfire or Spark Plugs
where is the coolant sensor on a 2003 kia spectra
Coil pack and the spark plug- check compression
How to replace throttle sensor kia spectra 2003
Where is the knock sensor for a 2003 kia spectra
anything basically. I have a 2003 Kia Sorrento and it happened to me too. I asked my dad to fix it but i cant remember why it was misfiring...
location of egr valve on 2002 kia spectra
If your car isn't idling high and using a lot of gas, you may have an issue with the idle settings. You can also check your spark plugs to make sure you don't have a misfire.
yes