This TSB references the Op codes to use for claim submission and the Parts required based on the vehicle’s inspection results from TSB 22-01-023H (DTC P1326 – Engine Bearing Inspection/Engine Replacement) or the latest version.
full bulletin at NHTSA ↗2014 Hyundai Veloster engine problems
moderate 26 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
When does it fail?
Of the 26 engine complaints filed for the 2014 Hyundai Veloster, here's the actual mileage breakdown — failures cluster heaviest at 125,000-150,000 mi.
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.
Engine accounts for 31% of every owner complaint on file for this vehicle — the dominant problem area across 5 categories tracked.
Owners have filed 26 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.
Hyundai is conducting a campaign to enhance the knock sensor software to detect abnormal engine bearing noise before potentially severe engine damage occurs. If abnormal engine bearing noise is detected, the Malfunction Indicator Lamp (MIL) will blink continuously, and the vehicle will be placed in Engine Protection Mode allowing the customer to drive to the nearest Hyundai dealer for diagnosis and repair. In addition, DTC P132600 will be recorded in the ECM. The vehicle can continue to be operated for a limited time in Engine Protection Mode, but it will accelerate slower and have a reduced maximum speed. Engine RPMs will be limited to approximately 1800-2000 RPM.
full bulletin at NHTSA ↗This bulletin provides important checkpoint guidelines when performing engine oil and filter change services.
full bulletin at NHTSA ↗A class action lawsuit against Hyundai Motor America (âHMAâ) alleges that certain Hyundai vehicles (âClass Vehiclesâ) were manufactured, marketed, sold, and/or leased with an engine defect that can result in sudden engine seizure, stalling, engine failure, and in some circumstances, engine fire, and that some owners and lessees of Class Vehicles have been improperly denied repairs under warranty. Neither HMA nor Hyundai Motor Company have been found liable for any of the claims alleged in the lawsuit. The parties have instead reached a voluntary settlement (the âSettlementâ) to avoid lengthy litigation and to provide owners of Class Vehicles certain benefits.
full bulletin at NHTSA ↗OP CODE/PART NUMBER (REFERENCE GUIDE FOR SERVICE CAMPAIGN T6G)
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Engine failures in the 2014 Veloster cluster around two main scenarios: rapid internal wear (oil starvation, metallic debris, rod bearing knock) and sudden catastrophic failure (block cracking, compression loss, catalytic converter overheating). Oil starvation emerges as a recurring pattern—engines consuming 0.5 to 1 quart per 250–1,000 miles with metal shavings in the oil, followed by audible knocking and loss of power. Owners report no oil leaks visible underneath or in the engine bay, yet levels drop dramatically. Some failures follow Manufacturer Service Campaign 966 (Engine Monitoring Logic software update); owners point to identical symptoms described in recall SC176 for the Kia Soul 1.6L GDI engine, which shares the Gamma GDI platform.
Stalling without diagnostic codes is a secondary pattern—vehicles lose power at intersections or highways with check engine lights absent or appearing only after failure. Dealerships frequently cannot reproduce these issues or identify root causes. Block cracks and compression loss occur suddenly, often mid-drive, sometimes following minor road impacts like potholes. White smoke, oil spills, and immediate stalling follow.
Across the complaints, Hyundai has denied warranty coverage or recall eligibility despite owners providing technical service bulletins and lawsuit documentation. The manufacturer claims 2015 and 2016 model years are covered for similar failures but excludes 2014, even when diagnostic findings match documented recalls. Owners report being offered no assistance or parts subsidies and charged $9,100–$10,000 for engine replacement.
Same Hyundai Veloster engine reports on nearby years: 2012 · 2013 · 2015 · 2016 · 2017
Failure modes owners describe
Oil starvation and metallic debris
Engine oil level drops rapidly despite regular maintenance and no visible leaks. Oil samples contain metallic particles indicating internal wear. Leads to engine knocking and eventual failure.
When: 80,000–109,500 miles; some cases earlier
Symptoms owners cite: Engine knocking on acceleration; Oil warning light flashing at service intervals; Rapid oil consumption (0.5–1 quart per 250–1,000 miles); Metallic particles in drained oil; Complete loss of power while driving
Codes mentioned: No code in some cases, P420 in one case
Repairs/costs cited: Engine replacement required; costs cited range from $9,100 to $10,000 for refurbished engine. Combustion Chamber Cleaning ($400+) recommended by some dealers but owners dispute warranty coverage.
Recalls/TSBs owners mention: Hyundai recalls issued for Gamma GDI engine in Kia Soul (SC176) but 2014 Veloster VINs reportedly excluded despite matching symptoms. TSB#21-EM-003H referenced. Class action lawsuit reportedly lost by Hyundai in California for similar post-warranty failures.
Catalytic converter degradation and piston/rod failure
Catalytic converter overheats and becomes clogged ('slagged'), causing abnormal engine combustion, compression loss in one or more cylinders, and piston/connecting rod damage. Often follows software updates.
When: 65,800–128,000 miles
Symptoms owners cite: Loss of compression in one cylinder; P420 error code (catalytic converter malfunction); Severe hesitation or stalling after sustained driving (60 mph for 30+ miles); Power loss when accelerating from stop; White smoke from engine bay; Abnormal sounds from engine; Vehicle stalls after cooling period required
Codes mentioned: P420
Repairs/costs cited: New engine and catalytic converter required. One owner reported dealership unable to explain cause.
Recalls/TSBs owners mention: Manufacturer Service Campaign 966 (Engine Monitoring Logic software update) performed in some cases but did not prevent failure. Owners cite SC176 recall for Kia Soul 1.6L GDI describing identical symptoms. One owner reports no recall for Veloster VIN despite matching conditions.
Connecting rod bearing failure and knock
Rod bearings fail prematurely, producing engine knock audible during acceleration. No check engine light typically precedes bearing seizure. Oil consumption rises concurrently.
When: 94,000–117,000+ miles
Symptoms owners cite: Loud knocking sound on acceleration or engine start; No check engine light or prior warning; Increased oil consumption (1 quart per 1,000 miles); Engine stalls after knock onset if bearing fully seizes
Repairs/costs cited: Bearing replacement or full engine rebuild/replacement needed. One owner reports Hyundai offered no cost assistance despite acknowledging bearing failure. Owners report this is a known issue in 2012–2017 Veloster Turbo and related Kia/Hyundai models with recalls on other platforms.
Recalls/TSBs owners mention: Dealership and corporate Hyundai acknowledged issue but refused warranty coverage. No recall issued for Veloster despite documented failures in same generation.
Sudden engine block cracking
Engine block develops a crack and leaks oil profusely, usually without prior warning signs. Failure occurs during normal driving, sometimes immediately after a pothole or rough road.
When: 65,800–94,000 miles
Symptoms owners cite: Sudden loud noise (described as 'ran over a cardboard box' or 'horrible noise'); White or thick white smoke billowing from engine bay; Oil spill underneath and around engine; Loss of motive power; vehicle stalls; No warning lights prior to failure
Repairs/costs cited: Block replacement/full engine replacement required. Costs: $9,100–$10,000. One owner reports dealership said 'sometimes they just don't know why.'
Recalls/TSBs owners mention: 2014 models reportedly not covered by manufacturer warranty; only 2015 and 2016 said to be covered for similar motor failure. Not covered under standard warranty; owners charged full replacement cost.
Stalling with no diagnostic codes or check engine light
Vehicle loses motive power or stalls during normal driving (intersection, highway, low speed) with no check engine light illuminated. Dealerships unable to reproduce or diagnose the issue; no fault codes logged.
When: 52,000–135,000 miles
Symptoms owners cite: Sudden loss of power or stalling at intersections or low speed; RPM shoots up but vehicle does not accelerate (goes into limp mode); Engine hesitates or bogs down after sustained highway driving; Vehicle recovers after cooling; No check engine light or only appears after stall; Regular maintenance performed; no obvious cause
Repairs/costs cited: Dealers unable to duplicate; engine fluid flush attempted in at least one case but did not resolve recurrence. One owner had dealership visit four times without resolution.
Recalls/TSBs owners mention: No diagnostic or warranty support provided. Manufacturer Service Campaign 966 software update performed in at least one case; failure still recurred.
Internal engine seizure and compression loss
Engine seizure occurs suddenly, often accompanied by metal debris in oil and lack of compression in one or more cylinders. Failure may follow minor road impact (pothole) or occur without triggering diagnostic codes.
When: 89,000–117,000 miles
Symptoms owners cite: Sudden rattling or horrible noise from engine; Complete engine seizure; No compression in one or more cylinders (diagnosed via compression test); Metal in oil sample; Vehicle stalls immediately or loses all power; No warning signs or check engine light prior to failure
Repairs/costs cited: Full engine replacement required.
Recalls/TSBs owners mention: No warranty or recall assistance offered despite well-maintained vehicles and regular oil changes.
Oxygen sensor failure
Oxygen sensor fails, triggering check engine light. Repair does not resolve the issue; failure recurs after dealer replacement.
When: 52,000 miles
Symptoms owners cite: Check engine light illuminated
Repairs/costs cited: Oxygen sensor replaced but failure recurred. No further diagnosis documented.
Camshaft failure and oil ejection through exhaust
Camshaft components fail internally; oil is forced out through the exhaust system, causing catalytic converter to fail prematurely and creating fire risk.
When: Not specified
Symptoms owners cite: Oil blowing out of exhaust; Early catalytic converter failure; Engine rattling/noise
Repairs/costs cited: Four camshafts reported failed; both camshaft and catalytic converter replacement needed.
Synthesized from 26 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 5 most recent
The contact's son owns a 2014 Hyundai Veloster. The contact's son received notification of Manufacturer Service Campaign: 966 (Engine Monitoring Logic). The contact stated that while his son was driving at an undisclosed speed, the vehicle made abnormal sounds and hesitated to accelerate. The vehicle was taken to the dealer. The dealer performed the Engine Monitoring Logic software update and…
The second cylinder is not firing. The car stalled when on highway.
Vehicle stopped driving under its own power after driving for several miles on a couple occasions. Usually after driving at about 60mph for 30 miles or more. It either bogs down giving time to pull of the road or stops completely after trying to accelerate after a complete stop. Vehicle is giving a p420 error code but exhaust technicians say it is not the catalytic converter. Vehicle will drive…
We were driving on the new jersey turnpike doing about 60 or 65 MPH and all of the sudden the car started misfiring car jersey and started vibrating inwas close to exit 12 so I got of exit 12 and found a parking lot where there was a pep boyz and towed the car to my sister in laws house. Took it to the shop and they said that the car does not have compression in cylinder 2 the car never showed…
While driving down I95 south at 10:30 at night my car made a noise like I ran over a cardboard box. Then smoke started to come out of the hood. I I went to the emergency lane hoping it was a flat tire. There was oil all over the ground and car. No warning lights or car acting funny. Cruise was set and driving home with my mom. Took car to dealership and verified the block had cracked. I asked…
Common questions
How serious is the engine problem on the 2014 Hyundai Veloster?
It's a documented issue but not catastrophic. 26 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 17 complaints that reported odometer mileage, most engine failures cluster between 80,000 and 135,000 miles, with the median around 98,000. A quarter of owners report trouble before 80,000; a quarter make it past 135,000. 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.