my check engine light came on and I was told he could be the gas cap I bought one from autozone Evan Kia dealer tell me that I needed she said after so many miles if that was t how many miles is that

90

Asked by Apr 23, 2015 at 11:01 PM about the 2009 Kia Rio

Question type: Maintenance & Repair

10 Answers

90

I guess I should have Pre read this before I posted itI hope you understand it

4 of 4 people found this helpful.
55,435

A loose or defective gas cap in modern vehicles can cause a check engine light. Tightening or replacing the gas cap will eventually cause the check engine light to go off after some time provided that was the problem in the first place. I would have reinstalled the gas cap and made sure it was tight before buying a replacement. Also I would not have purchased an aftermarket gas cap. I would have purchased from a Kia dealer.

2 of 2 people found this helpful.
55,435

Perhaps return to Autozone and have them tell you what the check engine light code is?

2 of 2 people found this helpful.
90

i bought a new gas cap from kia, and check engine light is still on. i checked the cap this morning and now it doesn,t even click when you turn it,

3 of 3 people found this helpful.
55,435

Have Autozone read the code and post the code number here. It may not be the gas cap. You also can ask Autozone to clear the code and see if it comes back.

1 of 1 people found this helpful.
90

ok, i will be going to town in a day or two willl get it then. it was cleared two times, and engine light came back on

2 of 2 people found this helpful.
55,435

New gas cap and light came back on likely means other issue.

1 of 1 people found this helpful.
40

My 2009 Kia Rio has had an oil change all spark plugs replaced all 4 coils replaced and my check engine light still comes on. The car hesitates and has difficulty getting power until going at least 50 miles an hour. I am so frustrated right now. I can't keep pouring money into this car.

4 of 4 people found this helpful.

Judi sounds like you may have a camshaft position sensor problems

10

According to your owners manual it is a problem with your exhaust system (catalytic converter).

1 of 1 people found this helpful.

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