Fuel Pump Problems of Kia Motor Optima

The contact owns a 2016 kia Optima. The contact stated that while driving at an undisclosed speed, the vehicle lost motive power with an unknown warning light illuminated. Additionally, the vehicle occasionally overheated while the coolant level was full. The dealer was made aware of the failure; however, the vehicle was not diagnosed nor repaired. The contact related the failure to a faulty low-pressure fuel pump. The manufacturer was made aware of the failure. The failure mileage was approximately 47,000.

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The contact owns a 2016 kia Optima. The contact stated while driving at various speeds on several occasions, the vehicle was shuddering with a knocking sound coming from the engine compartment. The vehicle was taken to a dealer where it was diagnosed and determined that the engine needed to be replaced. The vehicle was repaired; however, the failure persisted. The contact stated that a message "do not drive - tow to dealer" was displayed, and the check engine warning light was illuminated. The vehicle was towed to the dealer where it was diagnosed that a loosened turbo hose needed to be tightened. The vehicle was repaired but the failure persisted. The vehicle was towed to another dealer where it was diagnosed that the high-pressure fuel pump needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was approximately 112,000.

Tl the contact owns a 2012 kia Optima. While driving with the accelerator pedal depressed, the vehicle decelerated on its own. When the accelerator pedal was released and depressed again, the vehicle would accelerate normally. In addition, when accelerating from a stop, the vehicle started to rattle, the oil warning indicator flickered, and the rear brake lights would remain illuminated when the vehicle was turned off. The vehicle was taken to atlanta west kia (located at 1301 thornton rd, lithia spring, GA 30122, (678) 715-5399) where it was diagnosed that the high pressure fuel pump failed and needed to be replaced. The vehicle was repaired. The manufacturer was not notifed. The approximate failure mileage was 166,000.

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The fuel system is giving me problem after problem after problems I have changed the fuel pump 3 times in 12 months. And the head lights also keep going out. I've changed the left side head light twice and the right side once in 4-1/2 years.

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The contact owns a 2004 kia Optima. The driver attempted to start the vehicle, but was unsuccessful. The vehicle was towed to the repair shop and it was discovered that the electric wire for the fuel pump had burned inside the gas tank. These were the plugs for the fuel pump. The driver was fortunate that the vehicle would not start because an explosion could have occurred. The dealer advised him to call NHTSA and file a complaint because they could not assist. The contact is a mechanic and repaired the vehicle himself. The failure mileage was 75,600. Updated 12/11/08. Updated 12/11/08.

Purchased 2004 kia Optima ex new. Have had fuse block replaced w/in 15000 miles. Now, the fuel pump has failed. The car ran fine and was parked. Next day car would not start. No fuses blown. The terminal connector from the fuel pump to the gas tank penetration has burned out causing an intermittent open in circuit. Fuel pump burned up in tank. Wires and connectors visibly charred. Connection that failed is inside of the gas tank. Very similar to ntsb case #10161074. Have 120,000 miles on the car. Others with less mileage are in for trouble due to poor engineering design. Defective parts available for photograph or inspection.

I have a 2006 kia Optima that was just purchased 2 months ago. It has a problem stalling when coming to a stop. I have had it looked at by the dealer several times and the could not duplicate the problem. I also work at the same dealership. One of the last times this happened I almost hit a business sign turning a corner. I believe the dealer and kia are not doing all they should since I work there. They only looked at the vehicle one time and only checked a couple of things. I have been in the car business almost 20 years and I am not satisfied with what they have done. The factory rep. For kia did not really care. His name is don stevens. I do not feel safe driving this car. Before I purchased vehicle the dealer had already had to repair the fuel pump on the vehicle.

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: the contact stated while traveling 25 mph, the vehicle stalled without warning. The gas cap was removed and replaced to remove pressure in the fuel tank. When the vehicle was restarted, it was sluggish, and had very little power, and a clunking noise was heard. So, the vehicle was towed to the dealership. The dealers mechanic ran a computer diagnostic test, which revealed several misfire codes. Upon removing the fuel pump, melted wiring was discovered running from the fuel pump to the gas tank. The manufacturer was alerted.