{UAH} A QUESTION TO THOSE KNOWLEDGABLE WITH CARS

Friends

 

As always when I get these frustrating issues on vehicles I throw them into a forum to get answers, we have a 2015Kia Rio SX with Nav, driven about 4,000 Kms so far, but the vehicle is rich, what is wrong and what can we do to solve that problem?

 

Some facts

 

The car runs perfectly.

The dealer says that if the car has a problem the sensors will find it and send out a check engine light and as long as it does not send it we are good

We have changed the fuel supplier

We have changed the oil from the oil of the manufacturer to the best oil we know in town.

 

Why is the vehicle indicating that it is rich?

EM

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