MyCarTSB

2018 Kia Optima Fuel System Problems

3 owner-reported fuel system complaints from NHTSA data

3
Complaints
Aug 2022Nov 2023
Date Range

Data sourced from NHTSA public database. For informational purposes only. Always consult a qualified mechanic.

Owner Complaints (3)

mediumFUEL/PROPULSION SYSTEM
Filed: Nov 2023

THE FUEL PUMP HAS AN ACTIVE RECALL. TOOK ITIN TO DEALER AND WE ARE BEING ADVISED KIA WILL NOT COVER THE COST. THEY HAVE AN ARTICLE OUT THAT CLEARLY STATES THEY WILL COVER THE COSTS. THE CAR WREAKS OF THE SMELL OF GAS AND WE ARE SCARED IT WILL CATCH FIRE.

NHTSA #: 11553112
mediumFUEL/PROPULSION SYSTEM
Filed: Aug 2023

Leaking gas at the firewall when running.

NHTSA #: 11540760
mediumFUEL/PROPULSION SYSTEM,LANE DEPARTURE
Filed: Aug 2022

ECM telling fuel pump to put too much gas, causing exhaust into cabin, unnoticed while in car, but hair and cloth reak of exhaust and getting headaches. Reduced mileage by 20+mpg from 30+ to 11mpg. BSD- no lights or codes thrown by 3rd party, but dealer said there was a code on the BSD. BSD was not working and no codes appeared. NO LIGHTS OR CODES FOR FUEL ISSUE OR BSD, but dealer said there is a recall that I cannot find for fuel and said there was a code for BSD, but it didn’t pop up on my husband’s code reader previously.

NHTSA #: 11477875

Other 2018 Kia Optima Issues