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SuperDave, ASE Certified Technician
Category: Kia
Satisfied Customers: 1491
Experience:  over 16 years experience
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Kia Sedona EX: Eric, why does my 2003 Kia Sedona shake

Customer Question

Hello Eric, why does my 2003 Kia Sedona shake when I am at a light. Thanks Roosevelt
Submitted: 2 years ago.
Category: Kia
Expert:  SuperDave replied 2 years ago.
Thank you for using Just Answer.I will do my best to answer your question.Did it do this before you replaced the spark plugs?
Customer: replied 2 years ago.
It was doing this before I replaced the spark plugs
Expert:  SuperDave replied 2 years ago.
Is the check engine light on?If so what are the codes?
Customer: replied 2 years ago.
Cylinder 2 Musfire detected, cylinder 4. Misfirer, detected and cylinder 6 also
Customer: replied 2 years ago.
I replaced oxygen sensor and fuel system too lean
Expert:  SuperDave replied 2 years ago.
Swapping coils from the misfiring cylinder to the one next to it will reveal if it's a coil that's causing a misfire.Clear the codes.Swap the coils and see if the engine light comes on show a misfire on other cylinders instead.
Customer: replied 2 years ago.
When I do this then will this somve the problem or will I. have to troubleshoot for something else?
Expert:  SuperDave replied 2 years ago.
When you do this you will see if you have a bad coil.
Customer: replied 2 years ago.
You think the coil bad?
Expert:  SuperDave replied 2 years ago.
Did you check for spark on the cylinders that are miss firing?
Customer: replied 2 years ago.
My mechanic unplugged the wires from the coils all still were firing