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Mike V.
Mike V., Technician
Category: Kia
Satisfied Customers: 25677
Experience:  I have 25 years experience working on cars. I am also a factory trained Subaru and Nissan Tech.
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Stalls when stopping and idle engine lite comes on. Every

Customer Question

Stalls when stopping and idle engine lite comes on. Every time part replaced. It stilled stalled garaged replaced 2o2 sensors tips Ac compressor egr coil pack trains temp sensor 2cats
JA: Have you located all of the vehicle's oxygen sensors? Are the wires leading to and from each intact and in good shape?
Customer: Yes
JA: What is the model/year of your Kia?
Customer: 07 2.7 sportagage
JA: Are you fixing your vehicle yourself? What have you tried so far?
Customer: No 2 different kia dealers and used car I bought it from
JA: Anything else you want the mechanic to know before I connect you?
Customer: Everytime code repaired it still stall and different code would come up this is been going a year !!!
Submitted: 1 year ago.
Category: Kia
Expert:  Mike V. replied 1 year ago.

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

Expert:  Mike V. replied 1 year ago.

Does the vehicle run normally off idle?
Also, does it matter if the engine is up to operating temp or cold?

Customer: replied 12 months ago.
At operating temp
Customer: replied 12 months ago.
Doesn't t idle
Expert:  Mike V. replied 12 months ago.


And is the check engine light on again? If so, do you know what codes are being stored?

Customer: replied 12 months ago.
Lite on code for left cat Q&A
Expert:  Mike V. replied 12 months ago.


Sorry for all the questions but I have to get a real picture of whats going on.

Is the dealer going to warranty the converter for you?

Customer: replied 12 months ago.
Expert:  Mike V. replied 12 months ago.

Ok and finally, is the car running normally other then this stalling issue?

Customer: replied 12 months ago.
Rpm up and down when idling to otherwise runs okay
Expert:  Mike V. replied 12 months ago.


It sounds to me like there may be an issue with the mass air flow sensor causing this. If you have the car, you could try unplugging the mass air flow, then start it and see if the idle smooths out. If it does, then I suggest replacing the mass air flow sensor. If not, then I suspect a vacuum leak somewhere causing the idle to go up and down.

This could also cause the front O2 sensor to change the fuel mixture enough to make the car throw a converter code.

I would seriously look at these two possibilities since this is an on going issue.

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!

Expert:  Mike V. replied 11 months ago.

Do you need more help with this?