2021 Kia Sportage: Engine complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 29 owner complaints for the 2021 Kia Sportage that list the engine component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11768470 (filed 10/02/2026): “The contact owns a 2021 kia sportage. the contact stated that after an oil change, while leaving the dealer and driving 55 mph, there was an abnormal sound coming from the engine. the contact pulled over to the right side of the road, exited the vehicle, lifted the hood, and checked the oil dipstick…”
- NHTSA complaint ODI #11767666 (filed 09/29/2026): “My 2021 kia sportage is in limp mode at 2,000 rpm, and my mechanic confirmed it has the p1326 knock sensor code stored. vin [xxx]. i need to see if my car can be added to the list of vehicles regarding the product improvement campaign pi2002a. information redacted pursuant to the freedom of informat…”
- NHTSA complaint ODI #11767184 (filed 09/26/2026): “The kia never showed an engine light error or gave a code stating there was a problem. we change the oil every 3000 miles. there was no oil on the dip stick and the oil was extremely low. the engine seized up today.…”
Likely causes
These complaints do not establish a single root cause; read the examples above and get a diagnosis.
Fix, in plain English
No single fix is established by these reports. Check your VIN for open recalls at nhtsa.gov/recalls, ask a dealer about technical service bulletins (TSBs) or extended warranty coverage, then have the system diagnosed.
DIY difficulty: Pro
Internal engine work (lifters, oil consumption, fuel dilution diagnosis) requires engine teardown or dealer software/tests. (Our assessment.)
Cost
No sourced cost range for this issue. Get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
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Sources
Page last updated .