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Mike V.
Mike V., Technician
Category: Kia
Satisfied Customers: 23808
Experience:  I have 25 years experience working on cars. I am also a factory trained Subaru and Nissan Tech.
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2011 KIA SORENTA 2.4L 4 CYCL JERKING WHILE DRIVING, TRIED

Customer Question

2011 KIA SORENTA 2.4L 4 CYCL JERKING WHILE DRIVING, TRIED GAS TREATMENT
JA: Are you fixing your Sorento yourself? What have you tried so far?
Customer: CHANGED GAS WITH ADDED GAS TREATMENT
JA: Has the vehicle turned into a gas hog? And how does it start -- same as usual?
Customer: NO
JA: Anything else you want the mechanic to know before I connect you?
Customer: SOMETIMES THE CAR WILL NOT CRANK IN PARK, YOU HAVE TO PUSH THE SHIFT GEAR A LITTLE AND IT STARTS
Submitted: 2 months ago.
Category: Kia
Expert:  Mike V. replied 2 months ago.

Hello and thank you for your question!
My name is ***** ***** I will be assisting you with your question today.

Expert:  Mike V. replied 2 months ago.

Is the check engine light on?

Customer: replied 2 months ago.
No
Expert:  Mike V. replied 2 months ago.

Ok

Does it happen more if the engine is hot or cold?

Customer: replied 2 months ago.
Hot
Customer: replied 2 months ago.
I guess hot
Expert:  Mike V. replied 2 months ago.

Ok

No check engine light actually sort of helps. If it's jerking more when it's hot, then it usually can indicate low fuel pressure, or a problem with the catalytic converter. New as the car is, it's possible the converter is plugging up and causing the skipping or jerking you are feeling.

Also, and more likely in my opinion is it likely has a bad ignition coil. Without the light we don't know which one is the problem child, but it usually takes a certain set of circumstances for the coil to fail. You might want to try starting the car and spraying some water on the coils. maybe one will arc and you will know which one needs to be replaced.

Please let me know what more I can do to assist you today. Also, please remember to rate my answer, Just Answer does not compensate me for my time and resources. Follow up questions are included in the price of your question. If you are using the free trial, or have a subscription a rating is still required.
Thank you so much!

Customer: replied 2 months ago.
what about the car not cranking sometime without me shaking on the shift gear
Expert:  Mike V. replied 2 months ago.

Sorry

That is usually an adjustment on the neutral safety switch. It's not quite getting the signal to the computer that the car is in park. This isn't really uncommon at all.

Now some of these did have issues with the shifter itself, but usually the adjustment on the transmission that needs to be dialed in.

Sorry I forgot about that, it's not usually a factor with the running problem, but of course it's important!!

Customer: replied 2 months ago.
Thank you.
Expert:  Mike V. replied 2 months ago.

You are very welcome!

Please let me know if there is anything else I can do to help.
Also, please remember to rate my answer.
Thanks so much!

Customer: replied 2 months ago.
Ok, I will not forget to rate your answer. Thanks, again.
Expert:  Mike V. replied 2 months ago.

you're welcome!