The Theta II Engine Story
This is the mechanical half of Kia's recent history, and it's serious. Certain Kias equipped with Theta II GDI or MPI engines have a manufacturing defect in the connecting rod bearings. As the bearings wear abnormally, metal debris circulates through the engine oil, the oil filter eventually can't keep up, and the result can be a knocking noise, stalling, complete engine failure, or in the worst documented cases, an engine fire that starts with no collision involved at all.
This was serious enough to produce a combined $1.3 billion class-action settlement. Kia and Hyundai installed a knock sensor detection system on affected vehicles that watches for the vibration pattern of a wearing bearing and puts the engine into a protective low-power mode if it detects one, and vehicles that received that update are eligible for a lifetime warranty on the engine's short block assembly, covering the block, crankshaft, connecting rods, and bearings. If your Kia has a Theta II engine and you hear a knock or see the oil pressure light, get it checked promptly rather than continuing to drive on it.
The Theft Vulnerability
The second story is about security, not mechanics. Kias built roughly 2011 through 2022 without push-button start were commonly sold without an engine immobilizer, the standard feature that stops a car from starting unless the correct key is present. In 2022, a viral social media trend showed how easily these vehicles could be started with just a USB cable and a screwdriver, and thefts spiked dramatically in cities across the country. Kia and Hyundai settled a class-action lawsuit over it valued at up to $200 million, covering roughly 9 million owners, and offered a software update to add the missing security feature to affected vehicles.
If you own an older Kia without push-button start, it's worth checking whether your specific model received that update, and worth knowing that your insurance rates or coverage options may have been affected by this in ways separate from anything actually wrong with the car itself.
Why American & Import Auto Repair for Your Kia
Kia owners across Johnson City choose us because we're straightforward about both of these issues instead of glossing over them. Every qualified repair is backed by our 36 month, 36,000 mile nationwide warranty on parts and labor, and for bigger jobs we offer financing options. Learn more about what sets our shop apart or head back to our home page.
