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2018 Kia Optima fuel system complaints

Page 2 of 2: complaints 11 to 13 of 13, newest first, as owners wrote them.

See the summary of 2018 Kia Optima fuel system problems: which part fails, at what mileage and related recalls.

Filed Sep 2, 2022 · Fuel system, Lights · NC

Trying to cut off and jerks when stopping vehicle

Filed Aug 5, 2022 · Driver assistance, Fuel system · CA

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.

Filed May 14, 2021 · Engine, Fuel system · MD

When driving this vehicle rattles and shakes it has a burning smell/gas smell. It cuts off while driving. Looses oil.oil at low level before due. This make and model is no longer being manufactured. It has a known history of engine problems. Why were consumers allowed to buy this car. Problems are active and ongoing. Started about a year or close to a year after purchase. It is a lemon . The dealer wants to diagnose the engine, but they already know the engine is no good.

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