Huge win for car owners! All TSBs to be made public. The Center for Auto Safety just made the NHTSA (US Government) make public the full text of all TSBs from now on. They are the same organization that has petitioned the NHTSA & filed lawsuits to protect car owners over exploding gas tanks & other major safety issues. Whenever you drive in your car, you are safer thanks in part to a lot of work over the years by this small but very effective consumer advocacy group.

Please take a moment & say thank you by donating $5 or whatever you can to the Center for Auto Safety.


really awful
Crashes / Fires:
1 / 0
Injuries / Deaths:
1 / 0
Average Mileage:
13,883 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2003 Kia Sedona engine problems

engine problem

Find something helpful? Spread the word.
Get notified about new defects, investigations, recalls & lawsuits for the 2003 Kia Sedona:

Unsubscribe any time. We don't sell/share your email.

2003 Kia Sedona Owner Comments

problem #6

Aug 262005

Sedona 6-cyl

  • Automatic transmission
  • 45,000 miles


The consumer stated that 2003 Kia Sedona accelerated by itself while sitting at a stop sign. The engine accelerated when the consumer had foot on the brake. The car had never done this before. The car traveled a couple of feet and there was a near miss by other vehicles. The consumer contacted the dealer and was waiting for on an appointment to take the vehicle in for service. The consumer has not contacted Kia at this point. He suggested that on one knew what would make the vehicle do this. The car accelerated by itself 6 times in the same day, and the consumer had foot on the brake all 6 times. The consumer consulted the owner's manual and looked at the engine, and the engine size was described as 3500.

- Dennard, AR, USA

problem #5

Apr 042005

Sedona 6-cyl

  • Automatic transmission
  • 0 miles
I received a recall letter dated 04/04/05 stating that the throttle may freeze in my 2003 Kia Sedona. I immediately called my dealer and was told that the dealership was short handed and someone would get back to me. I also called the Kia consumer assistance center and left a message on 04/26/05 and still no response. Our Kia Sedona account is under my husbands name, donald a dudley. He is an over the road truck driver and is away from home alot. My complaint is that no one seems to be listening to me or wanting to answer my questions. I am getting a major brush off from the dealership I purchased the van from and from their consumer assistance center.

- Loveland , CO, USA

problem #4

Feb 152005

Sedona 6-cyl

  • Automatic transmission
  • miles
Vehicle occasionally idled on its own while the on the road and increased the speed. Driver had to apply the brakes several times in order to stop vehicle. Taken to dealer for testing, but the cause was undetermined.

- Medford, OR, USA

problem #3

Dec 212004

Sedona 6-cyl

  • Automatic transmission
  • 6,500 miles


While backing into a parking space vehicle hit a metal pole. Consumer shifted the transmission into drive with her foot on the brake. Vehicle commenced to accelerate and lurch forward. It ran over a concrete parking divider and a sidewalk into a brick wall. Consumer was transported to the local hospital by ambulance. Vehicle was towed to a repair shop.

- Lake Charles, LA, USA

problem #2

Sep 062004


  • 19,800 miles
The speedometer would read the wrong speed intermittently.

- Gainesville, FL, USA

problem #1

Oct 082003


  • 12,000 miles
While driving approximately 50 mph vehicle would suddenly accelerate. Had applied the brakes to stop vehicle. Managed to pull to side of road and stop. Restarted vehcle, and took it to dealership. Mechanic indicated could not locate cause of acceleration.

- Pikeville, TN, USA

Not what you are looking for?