TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA/KAPPA ENGINES - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information on diagnosing and/or repairing some 2011-2024MY vehicles (refer to the table on pages 9 and 10 for applicable models and engine), which may exhibit a symptom of excessive oil consumption.
full bulletin at NHTSA ↗2014 Kia Sportage engine problems
moderate 58 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
Failure mileage
Complaints
58
Recalls
0
Avg fix
$3,100
1fire
When does it fail?
Of the 58 engine complaints filed for the 2014 Kia Sportage, here's the actual mileage breakdown — failures cluster heaviest at 100,000-125,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
Engine accounts for 48% of every owner complaint on file for this vehicle — the dominant problem area across 7 categories tracked.
Owners have filed 58 engine complaints with NHTSA against this vehicle, but no formal recall covers the issue — the federal record reflects what manufacturers have admitted, not everything owners are reporting.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering engine on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA/KAPPA ENGINES - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information on diagnosing and/or repairing some 2011-2024MY vehicles (refer to the tables on pages 8-9 for applicable models and engine), which may exhibit a symptom of excessive oil consumption.
full bulletin at NHTSA ↗TECHNICAL SERVICE BULLETIN: PRODUCT IMPROVEMENT CAMPAIGN: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802Y/Z) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information related to the Technical Service Bulletin previously published PI1802 titled "Knock Sensor Detection System - ECU Logic Improvement"; equipped w/THETA II engine. Specifically, this bulletin provides instructions on which procedures to follow if, after installation of the KSDS, any one of the subject vehicles below returns to the dealer with Diagnostic Trouble Code (DTC) P1326 (Knock Signal R
full bulletin at NHTSA ↗TECHNICAL SERVICE BULLETIN: BEARING CLEARANCE TESTER (BCT) PROCEDURES - This bulletin provides information regarding test procedure of the Bearing Clearance Tester (BCT) Special Service Tool (SST). The SST comes pre-calibrated from the supplier however, in some cases, due to variable shop compressor air pressure, the SST may need to be re-calibrated to ensure that the tool provides accurate readings when testing the engine rod bearing wear. The calibration and BCT measuring point maintenance is included in this bulletin.
full bulletin at NHTSA ↗PITSTOP: INJECTOR HARNESS ROUTING FOR PI1802Y/Z AND PI1803Y/Z ENGINE REPLACEMENTS - This bulletin provides information to address a no-start or hard start with poor running condition after engine replacement under PI1802Y/Z or PI1803Y/Z. Some replacement long blocks may come with pre-installed fuel rail, injectors, and injector wiring harness. If the condition is present, it is possible that the injector harness was not installed correctly. The connections may be swapped from cylinder No. 1 and cylinder No. 4, and from cylinder No. 2 and cylinder No. 3.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Owners describe engine seizures and failures starting as early as 50,000 miles and continuing through 167,000 miles, often with no warning lights beforehand. The most frequent scenario: sudden total engine lockup mid-drive, sometimes preceded by engine knock or a loud flapping noise, with metal shavings found in the oil and bearing failure confirmed on inspection. Engine knock complaints are also common—loud knocking at idle that worsens during acceleration, sometimes resolving after knock sensor replacement but often persisting. Several owners report rapid oil consumption (half to a full quart every 2–3 weeks) with no visible leaks.
Many failures occur on highways at freeway speeds, forcing emergency stops. One owner's engine seized with no warning while traveling at 75 mph; another's stalled at 55 mph. A few owners heard abnormal noises—flapping, clanking, loud ticking—minutes before complete failure. White smoke from the exhaust and burning engine smells are mentioned in multiple reports.
Kia's response has been inconsistent. While the manufacturer issued NHTSA Campaign 22V051000 and recall SC147 for engine seizure, many owners find their VINs excluded despite driving an identical engine experiencing the same symptoms. Owners state the KSDS software update mandated by the recall does not prevent engine failure. Recall parts remain unavailable months after initial notification, leaving vehicles non-drivable while owners continue making loan payments. Dealers have denied warranty coverage citing software updates that were never performed or communicated, or claiming knock volume was insufficient for coverage.
Same Kia Sportage engine reports on nearby years: 2011 · 2012 · 2013 · 2015 · 2016
Failure modes owners describe
Engine seizure with timing chain/crankshaft bearing failure
Complete engine lockup often without warning, typically involving metal shavings in oil and internal bearing collapse. Owners report sudden loss of motive power mid-drive. Timing chain stretch, excessive rod bearing clearance, and failed connecting rod bearings are cited causes.
When: 50,000–167,000 miles; most commonly 80,000–125,000 miles
Symptoms owners cite: Sudden complete engine failure or lockup; Metal shavings in oil; Oil pressure warning light (brief, sometimes); Engine knock or loud knocking noise before failure; No warning lights in many cases; Inability to restart or intermittent restart
Codes mentioned: P0014 (Camshaft position error), P1326 (KSDS knock sensor calibration failure), Rod bearing/crankshaft damage on inspection
Repairs/costs cited: Long-block engine replacement quoted at $5,700–$11,000. One owner reported engine discontinued, making replacement unavailable.
Recalls/TSBs owners mention: NHTSA Campaign 22V051000 (Service Brakes, Hydraulic recall), though owners claim this is unrelated to engine failure. Recall SC147 covers 2011–2014 Sportage for engine seizure. Many owners report recalls not applied to their VINs despite identical engine and symptoms. KSDS software update referenced but owners state it does not prevent engine failure.
Engine knock and power loss with check engine light
Persistent knocking noise and loss of acceleration capability, often intermittent. Vehicle enters limp mode or speeds drop to 15–40 mph. Some cases resolve after knock sensor replacement, others persist.
When: 63,000–132,000 miles
Symptoms owners cite: Loud engine knocking, especially at idle or low speeds; Loss of acceleration despite pressing pedal; Vehicle limited to low speeds (15–40 mph); Check engine light illuminated (intermittent or constant); Vehicle enters limp mode; Jerking or shuddering during braking or acceleration
Codes mentioned: Knock sensor failure codes, Check engine light (specific code not always reported)
Repairs/costs cited: Knock sensor replacement attempted but did not resolve failure in some cases. Dealers have refused replacement citing insufficient knock volume for warranty coverage.
Recalls/TSBs owners mention: No specific recall cited for knock sensor failures. One owner noted dealer advised against further driving after knock sensor replacement failed.
Excessive oil consumption
Engine burns oil rapidly with no visible external leaks. Owners report topping up oil every 2–3 weeks despite recent oil changes. Low oil condition can trigger secondary failures.
When: Early in ownership; one case noted at 24,000 miles
Symptoms owners cite: Oil level dropping rapidly without external leaks; No dashboard warning initially; Service advisor notes unclear diagnosis; One dealer claimed model has no warning lights
Repairs/costs cited: Engine flush attempted ($500 reported) without resolution. No effective permanent repair cited.
Recalls/TSBs owners mention: Recognized as linked to high-consumption defect and timing chain/bearing issues. No independent TSB or fix reported.
Engine stall with loss of power and hesitation
Vehicle stalls mid-drive or loses power under acceleration, often without warning lights. Some cases involve white smoke from tailpipe or burning odor. Oil not entering engine cited in one case.
When: 24,000–158,000 miles
Symptoms owners cite: Sudden stall or loss of acceleration; No warning lights or minimal indication; White smoke from exhaust; Burning smell from engine; Hesitation and sputtering during acceleration; Multiple restarts required or vehicle will not restart; Dashboard lights come on after stall (in some cases)
Codes mentioned: Service engine warning light (if illuminated), Oil pressure warning light (reported in one case)
Repairs/costs cited: Engine replacement required in multiple cases. Oil not entering engine detected in one instance. Misfire in cylinder #2 diagnosed in one case.
Recalls/TSBs owners mention: Referral to dealers; no consistent manufacturer assistance. Campaign 22V051000 referenced but owners state it does not apply or does not prevent failure.
Recall compliance delays and parts unavailability
Manufacturer-ordered recalls remain unfulfilled for months despite notification. KSDS software update and other recall components reported as unavailable or delayed past reasonable timeframes.
When: February 2022 onwards; reports through August 2022+
Symptoms owners cite: Initial recall notification received; Second letter or parts needed but unavailable; Dealership unable to schedule service for extended periods; Vehicle sits idle, out of service for weeks/months; Owners continue making payments on unfixable vehicle
Repairs/costs cited: No repairs completed; vehicles awaiting parts or recall completion.
Recalls/TSBs owners mention: Campaign 22V051000 issued but parts noted as not yet available at time of complaint. No accelerated remediation described.
Synthesized from 58 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 10 most recent
My dashboard 'engine' light popped on and within minutes I drove it to my local mechanic to be immediately scanned and the scan code read, #poo14 at that moment my mechanic informed me that the "theta ii" engine was in fact recalled but I was never notified ever by the dealership!!! At the time my vehicle was moving in a 35mph zone on a city street. After the scan I backed it out of the bay to…
The contact owns a 2014 Kia Sportage. The contact stated while driving 55 mph, he began to hear an abnormal noise coming from the engine. The contact stated no warning light was illuminated. The contact was able to park on the side of the road but did not hear the abnormal noise anymore. The contact stated that he decided to continue driving, but the engine then seized shortly after. The contact…
My Kia engine was replaced under recall. The replacement engine triggered P1326 KSDS failure while I was traveling overseas, placing the vehicle in limp mode. Kia USA refuses to assist or authorize diagnosis, leaving me stranded. This is a repeat recall-related safety failure, even though there is a Kia Dealership near me.
The contact owns a 2014 Kia Sportage. The contact stated while driving 35 MPH, the service engine warning light illuminated, and the vehicle went in LIMP Mode. The contact stated that the engine started to overheat. The vehicle was taken to the dealer to be diagnosed. The contact was informed that the turbo charger, radiator, and the catalytic convertor needed to be replaced. The vehicle was not…
The contact owns a 2014 Kia Sportage. The contact stated while driving at various speeds, the vehicle hesitated and sputtered while depressing the accelerator pedal. The check engine warning light was illuminated. The vehicle was taken to a dealer and was serviced; however, the failure persisted. After a recent failure, the contact had the vehicle towed to Infiniti of Denver (2990 S Havana St,…
The engine stopped working. And although there was a recall on this issue the dealership is demanding i pay for the repair
Unknown
On Sunday May 7th 2023, while traveling on the thruway, the car started to slow down and was no longer accelerating as I was pressing on the accelerator. There was a burning smell coming from the engine, causing me to cough for a week. I could not stop for a mile because there was no shoulder on that portion of the highway. I turned on my hazard lights and kept going until I pulled over a mile…
The contact owned a 2014 Kia Sportage. The contact stated that while driving, the engine stalled. The contact then stated that she noticed smoke on the windshield of the vehicle. No warning lights illuminated. The vehicle was towed to the contact's residence and then towed to an independent mechanic where it was diagnosed that the engine needed to be replaced. The vehicle was not repaired. The…
The contact owns a 2014 Kia Sportage. The contact stated that while driving 75 MPH, the vehicle jerked and failed to accelerate as intended while depressing the accelerator pedal. The check engine warning light was illuminated. In addition, the vehicle hesitated and failed to exceed 40 MPH. The contact exited the freeway. The vehicle was taken to Auto Zone, where it was diagnosed with a knock…
Had engine trouble with your 2014 Kia Sportage?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the engine problem on the 2014 Kia Sportage?
It's a documented issue but not catastrophic. 58 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Across the 28 complaints that reported odometer mileage, most engine failures cluster between 71,000 and 120,000 miles, with the median around 98,000. A quarter of owners report trouble before 71,000; a quarter make it past 120,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2014/Kia/Sportage.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.