Table 1 shows four common gasoline fuel system related problems of the 2005 Kia Motor Optima. The number one most common problem is related to the tank assembly (eight problems). The second most common problem is related to the gas tank strap (one problem).
| Problem Category | Number of Problems |
|---|---|
| Tank Assembly problems | |
| Gas Tank Strap problems | |
| Tank Mounting problems | |
| Gasoline Storage problems |
The gas tank on this 05 kia was leaking at 78,000 miles, took it to dealer, I had to pay for labor, they furnished the new gas tank cost me $330, now at 98,000 miles it is leaking again and kia is refusing to fix it, I feel this is a safety issue, going on 3 gas tanks less than 100,000 miles. Read details...
In 2011 we had a hole form in the gas tank of our 2005 kia Optima. We took it to a repair shop in which they determined that the straps that hold the gas tank in had caused wear onto the actual tank. They replaced the tank with new gas tank (original factory gas tank) on February 7, 2012 the same Read details...
In October of 2006 we bought a 2005 kia Optima. Shortly after the check engine light came on, so we took it to the dealership and they told us it was air in the tank and just to open the tank and let the air out. They said the sensor would go off in about 60,000 miles. Read details...