Kia Maintenance Questions? Ask a Mechanic for Answers ASAP
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Di the problem start after you changed the pump?
It sounds like the inlet valve, in the fuel pump module could be stuck or clogged. The inlet valve is located in the bottom of the canister that the fuel pump is mounted in. It lets fuel into the canister when the fuel level gets below the top of the canister. If its sticking, its no big deal. Just clean it up. if its getting clogged with rust or crud. Then the tank will need to be cleaned or replaced. As for the fuel trim values. They are kind of high. Its possible you have a vacuum leak. Did you have the induction valve recall done?
If your not sure if all the recalls have been complected. You can give me the Vin number and i will check for and open recalls for you.
I looked at your warranty history, and it does not show the induction valve being replaced. I'm not sure why. Below is what is shown as being complected.