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Engine Internal Failure Risk - Stall, Power Loss, or Fire
engine knocking; engine stalls; sudden loss of power; check engine light; engine failure recall
Catastrophic2022
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2022 Infiniti QX55 owners report engine bearing failure, white smoke, and phantom braking. Recall 25V437000 active. Know your California lemon-law rights.
You bought the Infiniti QX55 because it dared to be different. The coupe-style roofline, the hand-stitched cabin, the VC-Turbo engine with its Nobel-Prize-level variable-compression technology — this was supposed to be the premium crossover that proved you could have style and sophistication in the same package. Infiniti sold just over 5,100 QX55 units in the United States in 2022, making it a genuinely exclusive vehicle. That exclusivity cuts both ways when things go wrong: few dealerships have technicians deeply familiar with the J55's quirks, and the QX55-specific complaint record is thin — but the platform it shares with the QX50 tells a much more sobering story.
The KR20DDET 2.0L VC-Turbo engine at the heart of the QX55 became the subject of NHTSA Recall 25V437000, issued June 27, 2025. Nissan acknowledged that manufacturing defects in the engine bearings can cause complete engine failure — and that a bearing breach can allow hot oil to escape the engine block, creating a fire risk. Owner notification letters weren't mailed until April 8, 2026: nine months later. In the interim, QX55 owners filed NHTSA complaints describing white smoke, metal shavings in the oil pan, and dealers declining the recall repair by citing engine sludge as an owner-caused condition — even when the vehicle's VIN was expressly included in the recall.
Beyond the recall, owners report the ProPILOT Assist forward collision system triggering full emergency braking from road shadows on clear highways, the InTouch dual-screen infotainment going black mid-drive, and driver seat tracks failing repeatedly despite multiple replacements. If any of these problems have sent your QX55 back to the dealership more than once without a real fix, California law gives you options.
The issues owners report most, ranked by severity — each one verified against a cited NHTSA source.
engine knocking; engine stalls; sudden loss of power; check engine light; engine failure recall
white smoke from exhaust at startup or while driving; oil level dropping rapidly between changes; sludge or debris found in oil pan during inspection; engine knocking or rattling at low speeds; check engine light on with oil-related fault codes; dealer declines recall repair citing pre-existing sludge
vehicle suddenly slams on the brakes with no obstacle present; collision warning lights and beeping activate on empty road; steering becomes temporarily unresponsive after false-activation event; system activates from shadows, bridge entrances, or overhead signs; rear-end collision risk from unexpected hard stop at highway speed
transmission shudder or vibration during acceleration from stop; hesitation or jerking when pressing accelerator; CVT malfunction warning light illuminated; limp-mode activation with reduced power; drivetrain instability, starting failures, or stalling after engine recall repair; loss of acceleration response at highway speed
center touchscreen goes completely black while driving; screen reboots spontaneously; navigation map disappears mid-route; audio and climate controls unresponsive on touchscreen; radio activates on its own; wireless CarPlay or Android Auto disconnects unexpectedly; infotainment takes several minutes to load after service
sunroof glass shatters suddenly while driving without impact; glass shards fall into passenger cabin; loud explosive sound from roof area; no warning indicators before failure; dealer attributes to road debris despite no visible impact mark
A settled Margarian Law case on this exact model, published with the actual settlement math.
Open any defect for the symptoms and why it matters for a California lemon-law claim. Each is tied to a cited NHTSA source.
engine knocking; engine stalls; sudden loss of power; check engine light; engine failure recall
Recall 25V437000 acknowledges manufacturing defects in the KR20DDET VC-Turbo engine bearings that can cause complete engine failure and an engine fire from hot oil discharged through a breached engine block. Owner letters were mailed April 8, 2026 — more than nine months after the recall was issued June 27, 2025 — and multiple QX55 owners (ODI 11677785, 11704373) document dealer refusals to perform the recall repair citing sludge or parts unavailability. Under Song-Beverly, a recall-acknowledged safety defect that has required multiple dealer visits for repair — or has been denied recall coverage — supports a lemon-law claim. Owners should document every visit in writing and retain all repair orders.
Dealers will reprogram the engine control module (ECM) software, free of charge. Owner letters were mailed April 8, 2026. Owners may contact Nissan's customer service at 800-647-7261 or Infiniti's customer service at 1-800-662-6200. Nissan's numbers for this recall are R25A8/A9 and R25B1/B2.
white smoke from exhaust at startup or while driving; oil level dropping rapidly between changes; sludge or debris found in oil pan during inspection; engine knocking or rattling at low speeds; check engine light on with oil-related fault codes; dealer declines recall repair citing pre-existing sludge
Multiple QX55 owners have returned to dealers more than twice for engine smoking, rattling, and oil contamination (ODI 11677785, 11704373, 11687540). Under Song-Beverly, repeated unsuccessful repair attempts for the same defect condition — especially where the manufacturer's own recall remedy (25V437000) is declined or fails to resolve the underlying sludge — can support a presumption of substantial impairment. Owners should preserve every repair order and document each visit in writing.
Engine flush and oil change; if sludge is severe, engine replacement. Owners should document all oil change records before visiting dealer. Recall 25V437000 (ECM reprogramming) does not address pre-existing sludge; engine replacement may be required under warranty if sludge resulted from the recall-covered bearing defect.
vehicle suddenly slams on the brakes with no obstacle present; collision warning lights and beeping activate on empty road; steering becomes temporarily unresponsive after false-activation event; system activates from shadows, bridge entrances, or overhead signs; rear-end collision risk from unexpected hard stop at highway speed
A phantom braking event at highway speed creates a crash risk and constitutes a safety defect under California law. If a QX55 owner returns for this issue more than twice and the dealer cannot replicate it — a common outcome in ADAS intermittent defects — the 'cannot duplicate' documentation itself becomes evidence under Song-Beverly. QX50 platform complaints confirm dealer acknowledgment of a known issue with no fix (ODI 11706548), which further supports manufacturer awareness.
Software calibration update if available; camera and radar sensor realignment. Multiple QX50 platform owners report no effective dealer fix was offered. Owners should disable ProPILOT Assist if phantom activations recur until an OEM software remedy is released.
transmission shudder or vibration during acceleration from stop; hesitation or jerking when pressing accelerator; CVT malfunction warning light illuminated; limp-mode activation with reduced power; drivetrain instability, starting failures, or stalling after engine recall repair; loss of acceleration response at highway speed
Post-recall drivetrain instability documented in QX55 ODI 11687540 (starting failures and emission malfunctions after recall engine replacement) and QX50 ODI 11720215 (CVT failure after engine recall replacement). If a QX55 owner experiences continuing drivetrain problems after recall repair and the vehicle has been in for service multiple times, Song-Beverly's repair-attempt threshold can be met across the related engine-transmission system as a whole.
CVT fluid flush and inspection; CVT replacement if internal damage confirmed. Owners who had an engine replacement under recall 25V437000 should specifically request CVT fluid inspection at the same service visit. Warranty coverage disputes are common (ODI 11720215: dealer denied coverage after warranty expiry despite engine-CVT integration).
center touchscreen goes completely black while driving; screen reboots spontaneously; navigation map disappears mid-route; audio and climate controls unresponsive on touchscreen; radio activates on its own; wireless CarPlay or Android Auto disconnects unexpectedly; infotainment takes several minutes to load after service
The InTouch system controls climate, navigation, backup camera display, and wireless connectivity — when the screen goes black, drivers lose access to multiple safety-adjacent functions simultaneously. If a QX55 owner has visited the dealer more than twice for black-screen or freeze episodes without a durable fix, California Song-Beverly applies. The QX50 pattern of three head-unit replacements without resolution (ODI 11631446) demonstrates manufacturer awareness of a systemic software or hardware defect.
OEM software update if available; head-unit replacement if freeze persists. Hard-reset procedure (hold power button 10+ seconds) offers temporary relief. QX50 owners needed up to 3 head-unit replacements before stabilization; owners should request repair orders for every visit.
sunroof glass shatters suddenly while driving without impact; glass shards fall into passenger cabin; loud explosive sound from roof area; no warning indicators before failure; dealer attributes to road debris despite no visible impact mark
A sunroof that shatters spontaneously while driving creates immediate occupant safety risk from glass intrusion. If the QX55 has been repaired for this defect and the glass shatters again, repeated failure of a structural safety component can support a Song-Beverly claim. Dealer attempts to attribute failure to road debris rather than honoring the warranty are a documented friction point for this vehicle platform (ODI 11517892, 11730025).
Panoramic glass panel replacement under warranty or insurance. Owners should photograph the damage immediately, noting the absence of any impact point. Dealers who decline warranty citing 'road debris' should be challenged with photographic evidence and NHTSA complaint records showing the same pattern.
driver seat shifts or moves unexpectedly during acceleration, braking, or cornering; seat slides forward or backward without input while driving; seat track replacement completed but failure recurs; dealer unable to diagnose why seat track keeps breaking
A driver's seat that moves unexpectedly while driving is a direct safety hazard — the driver may be unable to maintain proper pedal reach. Under Song-Beverly, three documented seat track replacement attempts (as logged in ODI 11623747) without a durable fix establishes the repair-attempt threshold for a substantial-impairment claim. Owners should request all repair orders in writing and note that each visit constitutes an unsuccessful repair attempt.
Seat track rail assembly replacement. Given the recurrence pattern (ODI 11623747: 3 replacements), owners should request dealer documentation of each repair attempt and escalate to Infiniti consumer affairs if a fourth failure occurs.
remedy available
Nissan North America, Inc. (Nissan) is recalling certain 2021-2024 Rogue, 2019-2020 Altima, 2019-2022 Infiniti QX50, and 2022 Infiniti QX55 vehicles equipped with 3-cylinder 1.5L or 4-cylinder 2.0L variable compression turbo (VC-Turbo) engines. The engine bearings may have manufacturing defects that can lead to engine failure.
Every item below comes from this vehicle's documented defects. The more you recognize, the more a free case review is worth your time.
California's Song-Beverly Consumer Warranty Act (Cal. Civ. Code §1790 et seq.) provides some of the strongest vehicle warranty protections in the country. This is general information — not legal advice. Law as of Jun 30, 2026.
If your 2022 Infiniti QX55 has a defect that substantially impairs its use, value, or safety, and the manufacturer has made a reasonable number of unsuccessful repair attempts, you may be entitled to a replacement or a full refund including purchase price, taxes, registration, and finance charges, less a usage offset.
Repair-attempt thresholds:
Recall 25V437000 is significant: Nissan acknowledged the bearing defect in writing. A dealer who performs ECM reprogramming but fails to resolve ongoing knocking or stalling has arguably made an unsuccessful repair attempt — each subsequent visit for the same condition counts toward the threshold.
Song-Beverly covers vehicles sold with an express warranty in California, including eligible CPO vehicles. Consult an attorney for your specific facts.
“Could not duplicate” doesn't mean the defect isn't real. Here's exactly what to do to protect a potential California lemon-law claim.
Document the moment it happens. Photos, video, and screenshots of any warning lights — with the date and the mileage.
Get a repair order every visit — even “found nothing.” That paperwork is the foundation of a claim.
Check your VIN at nhtsa.gov/recalls. Note any recall that has no available remedy yet.
Track your out-of-service days. California law counts the cumulative days your vehicle spends in the shop.
Keep loaner & rental records. Alternate-transport paperwork during long repairs matters.
Save everything in one place. Symptoms, dates, repair orders, and every repeat visit — the intermittent ones especially.
The QX55's most frustrating defects — engine knocking, ProPILOT phantom braking, infotainment freeze — are intermittent. Dealers often say 'cannot duplicate' and send you home empty-handed. Here is how to fight back:
1. Record every symptom as it happens. Use your phone to capture dashboard warning lights when the defect occurs. A video of collision warnings on a clear highway, or a screen recording of the display going black, is far harder to dismiss than a verbal description.
2. Demand a written repair order for every visit, even if the dealer finds nothing. Each visit counts as a repair attempt under California law regardless of fault codes. Ask the adviser to write your complaint verbatim — 'engine knocking at startup,' 'screen went black on Route 5' — not a generic category.
3. For oil / sludge disputes, bring every dated oil-change receipt. Recall 25V437000 covers your vehicle; a dealer refusing the repair citing sludge should be reported to NHTSA at safercar.gov and to Infiniti consumer affairs at 1-800-662-6200. Get any refusal in writing.
4. For ProPILOT phantom braking, log each incident with date, location, and speed. Ask the dealer in writing to download the ADAS event log — Infiniti systems record activation events — and request a copy.
5. Escalate after the second failed repair attempt. Get an Infiniti consumer affairs case number in writing. Track every day the vehicle sits at the dealer — Song-Beverly also covers vehicles out of service 30 or more cumulative days.
The 2022 Infiniti QX55 is a bold, genuinely interesting vehicle caught in the shadow of its own engine. The VC-Turbo concept is engineering-impressive; the execution, at least for a subset of owners, has been troubling. Recall 25V437000 confirms Nissan knew the KR20DDET engine bearings had manufacturing defects — yet owner notification took nearly a year, and dealer-level execution has been inconsistent. The QX55's small sales volume means there are fewer total complaints than the QX50, but the proportional complaint concentration in engine-related categories is telling. If your QX55 has visited the dealer more than twice for engine, CVT, infotainment, or safety-system issues without a lasting repair, it is worth talking to an attorney who handles California lemon law.
— The Margarian Law team
If your 2022 Infiniti QX55 has been back to the dealer more than once for engine problems, CVT issues, phantom braking, or infotainment failure — and those problems haven't been fixed for good — you may have options under California's lemon law. Margarian Law has handled thousands of lemon-law cases and offers a free case review with no obligation. Your repair orders tell the story; bring them.
Yes. NHTSA Recall 25V437000, issued June 27, 2025, covers the 2022 Infiniti QX55 for a manufacturing defect in the VC-Turbo engine bearings that can cause complete engine failure and potential engine fire from hot oil discharged through a breached engine block. The remedy is ECM software reprogramming. Contact Infiniti at 1-800-662-6200 to confirm your VIN is covered and schedule the free repair. If your dealer has declined the repair citing engine sludge, report that to NHTSA at safercar.gov and document the refusal in writing.
White smoke from a QX55 exhaust is a warning sign that may indicate engine oil burning, coolant intrusion into the combustion chamber, or early-stage bearing failure related to NHTSA Recall 25V437000. QX55 owners report this symptom alongside metal shavings found in engine oil (ODI 11717898) and oil sludge accumulation (ODI 11677785). Do not ignore this symptom — take the vehicle to an Infiniti dealer immediately and request a recall inspection under Campaign 25V437000. Bring all oil-change records.
This is called phantom braking — the ProPILOT Assist forward collision avoidance system falsely detects a threat and applies full emergency braking. A 2022 QX55 owner reported the system activated from a road shadow at 21,600 miles, causing uncontrollable braking and steering (ODI 11685699). The same pattern is documented in multiple QX50 platform vehicles, with at least one dealer confirming it is a known issue with no available repair (ODI 11706548). Document each incident with date, location, and speed, and get a written repair order on every dealer visit — even if the dealer says it cannot be replicated.
You may qualify for a buyback or replacement under California's Song-Beverly lemon law if your QX55 has a substantial defect that the dealer has failed to fix in a reasonable number of attempts. For safety defects — like the engine fire risk in Recall 25V437000 — two failed repair attempts may be enough. For other defects, four attempts or 30+ cumulative days out of service may establish lemon-law eligibility. Keep every repair order. Consult an attorney for advice specific to your situation; this is not legal advice.
The QX55 uses the same Infiniti InTouch dual-screen infotainment platform as the QX50. That system is documented going completely black mid-drive, spontaneously rebooting, and requiring multiple head-unit replacements — one QX50 owner needed three replacements before stabilization (ODI 11631446). A software or hardware fault in the InTouch display processor triggers a kernel-level reboot. A hard reset (hold power button 10+ seconds) may temporarily restore the screen. If it recurs, request a written repair order on every visit and ask Infiniti to escalate to a regional engineer.
If an Infiniti dealer declines to perform the Recall 25V437000 repair on your covered QX55 — often by citing engine sludge — take these steps: (1) Get the refusal in writing on a repair order. (2) File an NHTSA complaint at safercar.gov referencing Campaign 25V437000. (3) Contact Infiniti consumer affairs at 1-800-662-6200 and request a case number. (4) Bring all oil-change records to a second Infiniti dealer for a second opinion. (5) If you have made two or more unsuccessful repair visits, consult a California lemon-law attorney — dealer refusal of a government-ordered recall is a documented pattern for this vehicle.
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