FaultScore

2004 KIA Optima fuel system problems

10 of the 306 complaints about the 2004 KIA Optima are about the fuel system — 3% of everything reported for this model year. Half of the failures with a mileage on record happened before 75,600 miles.

B

10

Complaints

1

Crashes

0

Fires

0

Injuries

Exactly what failed

Fuel System, Gasoline 5 50.0%
Fuel Pump 3 30.0%
Delivery 1 10.0%
Fuel/Propulsion System 1 10.0%

Fuel & Propulsion across every KIA Optima year

2003 12 2.6%
2004 10 2.2%
2005 10 2.2%
2011 26 5.6%
2012 54 11.7%
2013 122 26.5%
2014 48 10.4%
2015 55 11.9%
2016 62 13.4%
2017 23 5.0%
2018 13 2.8%
2019 16 3.5%
2020 10 2.2%

What owners said

Filed with NHTSA, in their own words.

at 145,000 miles Beaverton, OR

FUEL SYSTEM, GASOLINE

The contact owns a 2004 Kia Optima. The contact stated that after refueling, the vehicle would not start. The vehicle was not taken to a local dealer. Upon investigation, the contact associated the failure with NHTSA Campaign Number: 04V180000 (Fuel System, Gasoline) however, the VIN was not included. The manufacturer was informed of the failure and confirmed that the vehicle was not included in a recall. The failure mileage was approximately 145,000.

NHTSA complaint #11452262 — an unverified report by a vehicle owner.

at 62,000 miles Katy, TX Crash

FUEL/PROPULSION SYSTEM

I WAS DRIVING ON I-10 WESTBOUND, KATY TX FREEWAY, TRAVELLING ABOUT 65 MILES PER HOUR. THE PASSENGER'S SIDE FRONT TIRE BLEW OUT CAUSING THE CAR TO GO BACK AND FOURTH BETWEEN TWO LANES OF TRAFFIC. IN THE PROCESS, I WAS HITTING THE RUBBER DIVIDERS, DAMAGING THE HOOD OF THE CAR AND THE WINDSHIELD. THE BLOWN TIRE CAUSED DAMAGE TO THE OIL PAN, THE RADIATOR, AND EVENTUALLY THE TRANSMISSION. I GOT THE CAR TO THE EMERGENCY LANE. THE CAR WAS TOWED OFF THE FREEWAY AND EVENTUALLY PICKED UP AND TRANSPORTED TO A CAR REPAIR SHOP. A FEW DAYS LATER, THE INSURANCE ADJUSTER AND THE REPAIR SHOP OWNER BOTH AGREED THE CAR WAS A TOTAL LOSS. I HAD TO BUY A NEW CAR.

NHTSA complaint #10680973 — an unverified report by a vehicle owner.

Austell, GA

FUEL SYSTEM, GASOLINE

DRIVER DOOR REFUSED TO OPEN. I HAVE A DISABILITY SO THIS CREATED A HUGE PROBLEM FOR ME. WHEN I PUT GAS IN MY CAR (REGARDLESS OF GRADE OR GAS STATION) MY CAR REFUSES TO START. WHEN I MAKE A U-TURN, MY CAR MAKES LOUD CLICKING SOUND. I HAD IT CHECKED...MY AXLE AND EVERY THING ELSE LOOKS FINE. NO ONE CAN ESTABLISH WHERE THE NOISE COMES FROM. MY CAR HAS LESS THAN 60,000 MILES ON IT, AND IT SHOULD NOT HAVE ALL THESE ISSUES BUT IT DOES.

NHTSA complaint #10444977 — an unverified report by a vehicle owner.

Cincinnati, OH

FUEL SYSTEM, GASOLINE

CAR WAS DIFFICULT TO START AFTER FUEL FILL-UP. IT GOT WORSE AFTER EACH FILL UP. TRIED PUTTING FUEL IN WHILE CAR WAS RUNNING, BUT IT WOULD JUST CUT OFF. MUST PUT FOOT ON BRAKE AND REV GAS AFTER PUTTING IN FUEL TO GET GOING. I WAS USING KROGER GAS, I SWITCHED TO SHELL GAS BUT THE PROBLEM PERSIST. ALSO ENGINE LIGHT HAS NEVER COME ON. I THINK THIS IS THE SAME PROBLEM AS THE 2003 KIA.

NHTSA complaint #10430540 — an unverified report by a vehicle owner.

at 100,000 miles Lexington, KY

FUEL SYSTEM, GASOLINE

TL*THE CONTACT OWNS A 2004 KIA OPTIMA. THE CONTACT STATED THAT THE CHECK ENGINE LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THE CONTACT WAS INFORMED THAT THE FAILURE WAS A GAS FUME LEAK AND THE ACCELERATOR SENSOR NEEDED TO BE REPLACED BECAUSE IT CAUSED THE VEHICLE TO ACCELERATE AND DECELERATE WITHOUT WARNING. THE FAILURE MILEAGE WAS APPROXIMATELY 100,000. THE CURRENT MILEAGE WAS 129,548.

NHTSA complaint #10358001 — an unverified report by a vehicle owner.

Memphis, TN

FUEL SYSTEM, GASOLINE

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.

NHTSA complaint #10345869 — an unverified report by a vehicle owner.

at 75,600 miles Brewster, NY

FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

TL*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. *LJ UPDATED 12/11/08.

NHTSA complaint #10248553 — an unverified report by a vehicle owner.

at 120,030 miles Crewe, VA

FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

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.

NHTSA complaint #10204625 — an unverified report by a vehicle owner.

at 61,361 miles Andrews, NC

FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

DT*: 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.

NHTSA complaint #10161074 — an unverified report by a vehicle owner.

at 3,200 miles Frederick, MD

FUEL SYSTEM, GASOLINE:DELIVERY

BOUGHT KIA OPTIMA ON JUNE 22, 2004 VIN# [XXX] AND HAVE SINCE HAD SEVEN SERVICE APPOINTMENTS, REPLACED TWO SETS OF DRIVE BELTS, REPLACED A LEAKING POWER STEERING RACK, REPLACED A LEAKING FUEL REGULATOR, MACHINED THE FRONT ROTORS, LOST TIME FROM WORK, LOST PRODUCTIVITY FROM WORK AS WELL AS JEOPARDIZED MY WIFE'S WORK FROM CAR POOLING FOR FIVE MONTHS, COMPLETED SCHEDULED ARBITRATION WITH THE BBB WITHOUT SUCCESS FOR FOUR PROBLEMS: ACCELERATION DELAY, LOW GRINDING BRAKE NOISE, LOW VIBRATION STEERING NOISE, AND LOUD SQUEALING NOISE FROM THE DRIVE BELTS. *JB UPDATED 07/24/2012 *JS INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA complaint #10102349 — an unverified report by a vehicle owner.

Other 2004 KIA Optima problems

← Full 2004 KIA Optima report