Engine consumes to much oil, the variable cylinder engine needs to be turn off and allow to run on all 6 cylinders. *tr
2010 Honda Odyssey engine problems
severe 39 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
Failure mileage
Complaints
39
Recalls
0
Avg fix
$3,100
3fires
When does it fail?
Of the 39 engine complaints filed for the 2010 Honda Odyssey, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 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
Owners have filed 39 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.
No new NHTSA engine complaint has been filed on this vehicle in over 13 years — the issue may be aging out of the active population.
The failure pattern owners describe
Buyer takeaway: A 2010 Odyssey engine is a gamble: excessive oil burn, cylinder misfires, camshaft seizure, and sudden acceleration are well-documented failures that can leave you stranded or worse, and Honda's 8-year extended warranty doesn't cover cars bought used or those outside the window. Expect to carry your own repair risk once you own one.
The 2010 Odyssey's 3.5-liter V-6 has serious structural flaws. The Variable Cylinder Management (VCM) system forces oil into the combustion chamber, starving piston rings and camshaft bearings. Owners describe dipsticks reading dry between services, needing 1–2 quarts added every few weeks, yet the on-board computer shows oil life remaining. Spark plugs foul with oil sludge, triggering misfire codes (P3497, P3400, cylinder-specific codes). Dealers replace coils and plugs, but symptoms return. Eventually the engine seizes—camshafts lock from oil starvation, timing belts snap, and full engine teardowns reveal piston ring wear.
Sudden unintended acceleration while braking occurs without stored fault codes. Engine revs to 5,000–6,000 RPM; the brake becomes hard to push or unresponsive. Shifting to neutral stops it. Dealers blame floor mats or driver error despite owners securing mats and keeping feet off the accelerator. Throttle sensors and engine computers replaced; problem persists.
Engine stalls without warning at highway speed. Camshaft seizure can happen as early as 1,700 miles or at 120,000+. Two documented fires resulted in total losses.
Engine mounts fail around 70,000 miles, causing harsh jolting during acceleration and braking. The serpentine belt idler pulley fails early; replacement bolts shear repeatedly within days.
Honda's extended warranty (8 years, unlimited miles) covers only certain VINs and expires—often before the defects surface. Dealers outside that window cite warranty expiration and refuse to diagnose or repair. Repair costs exceed thousands; owners report loan balances higher than vehicle value.
Same Honda Odyssey engine reports on nearby years: 2008 · 2009 · 2011 · 2012 · 2013
Failure modes owners describe
Excessive oil consumption and cylinder misfires
The Variable Cylinder Management (VCM) system allows oil to leak into combustion chambers, causing accelerated spark plug fouling, reduced fuel economy, and rapid oil loss between service intervals. Owners report dipsticks registering dry or near-dry when checked, requiring 1-2 quarts added every few weeks. VCM disables cylinders under light load, but the system correlates with piston ring wear and oil pressure switch faults.
When: Begins appearing between 20,500 and 138,000 miles; complaints accelerate after 8 years or 100,000 miles when extended-warranty coverage expires.
Symptoms owners cite: Check engine light illumination (codes P3497, P3400, P3401 cited); Engine knock or ticking noise at idle; Excessive vibration during acceleration and at idle; Misfire codes for single or multiple cylinders; Dipstick reading dry or far below minimum despite recent service; Oil film on spark plugs visible to dealers during diagnosis
Codes mentioned: P3497, P3400, P3401, Cylinder misfire codes (general), Valve timing control code (mentioned by repair shop in narrative #1)
Repairs/costs cited: Coil packs and spark plugs replaced repeatedly without resolving misfire; valve adjustment performed at dealer cost without lasting fix. Software updates issued by dealers. Honda dealers report piston ring wear and oil pressure switch assembly faults. Repair costs escalate to full engine replacement (thousands of dollars) when damage is advanced. One owner faced $12,900 loan balance on a van worth $6-7,000 after engine failure.
Recalls/TSBs owners mention: Honda issued an extended warranty (8 years, unlimited miles) for affected VINs following a class-action lawsuit over VCM-related engine failures. However, many owners' VINs were excluded from the warranty coverage. Dealers denied warranty claims once the 8-year window closed, even for vehicles that did not exhibit symptoms until year 11. Honda declined to extend coverage or meet owners halfway on repair costs. Software service bulletins exist but are applied inconsistently.
Sudden unintended acceleration while braking
Engine races to high RPM or vehicle accelerates without driver input while braking or at stops. Brake pedal becomes unresponsive or requires maximum panic force. Issue occurs in drive or neutral with foot firmly planted on brake. Dealers attribute symptoms to floor mat interference or driver error, despite owners confirming floor mats secured and foot position correct. Throttle Position Sensor and Engine Control Unit replacements attempted without success.
When: Occurs intermittently, sometimes in cold weather. Multiple incidents over months to years; 2022–2024 reports cluster in available narratives.
Symptoms owners cite: Engine revving to 5,000–6,000 RPM while in drive or neutral with brake pedal held; Vehicle accelerating without driver input, reaching 45–50 MPH despite brake application; Brake pedal unresponsive or requiring extreme force to stop vehicle; Transmission locking up or refusing to shift out of park after acceleration event; Engine sound loud and high-pitched during runaway episodes
Codes mentioned: No fault codes stored (dealers report checking for codes and finding none)
Repairs/costs cited: Throttle Position Sensor assembly replaced (reported 2023). Engine Control CPU replacement attempted. Dealers perform basic testing, cannot replicate, and declare vehicle safe to drive. No parts retention or root-cause documentation noted.
Recalls/TSBs owners mention: Honda lawyers are in control of response; no technical explanation provided. Dealers unable or unwilling to diagnose. No recalls, service bulletins, or warranty extensions identified in narratives.
Camshaft seizure and timing belt failure
Front and rear camshafts seize, disabling the vehicle without warning. Camshaft oil supply starvation cited as root cause in one case; VCM system correlation suspected. Engine cannot be restarted; vehicle must be towed. Timing belt breaks as a result of camshaft locking. Cylinder head assemblies, sprockets, belts, and gaskets require replacement.
When: As early as 1,700 miles; also reported at 120,000 miles. Multiple failures on same vehicle (3 engine failures by November 2017 for one owner).
Symptoms owners cite: Vehicle stalls without warning while driving; Complete loss of engine power mid-highway or during normal driving; No restart possible; No audible warning or prior misfire codes
Codes mentioned: No codes mentioned; defect discovered post-failure on teardown
Repairs/costs cited: Complete cylinder head replacement, timing belt, sprockets, gaskets. Repair costs substantial (full upper-end engine rebuild). One owner experienced three engine failures; Honda required all three failures to occur before November 2017 to honor a replacement, and first failure was denied because a non-Honda mechanic performed the initial repair. Old parts retained by dealer for analysis.
Recalls/TSBs owners mention: Honda aware of the problem in 3.5L engines (per dealer statement in narrative #12). Limited warranty coverage; multiple failures required to qualify for replacement under specific deadlines. No proactive recall issued. Honda America customer service declined to transfer callers to personnel with authority to resolve disputes.
Engine fires
Vehicle catches fire while driving or shortly after stopping. Smoke and flames emerge from under hood. Two separate incidents resulted in total vehicle loss. One fire occurred at 79,000 miles, the other at 120,000 miles. Cause of fires not determined in investigation; oil leaks or electrical faults related to engine management systems suspected but not confirmed.
When: 79,000 and 120,000 miles respectively.
Symptoms owners cite: Burning odor while driving; Smoke visible under hood after stopping; Vehicle engulfed in flames
Repairs/costs cited: Vehicles destroyed; not repaired. Fire department extinguished fires.
Recalls/TSBs owners mention: Honda informed of failures. No investigation results or remedial action documented in narratives.
Engine stalling and loss of power
Engine stalls without warning while driving, often at highway speeds. Vehicle loses all power-assist steering and braking. Check engine light may or may not illuminate before stall. Vehicle may restart normally afterward or require towing. Incidents occur at 30–60 MPH.
When: Reported from 1,000 miles to 138,000 miles.
Symptoms owners cite: Sudden engine shutdown while in motion; Check engine light illuminates (may flash before stall); Vehicle jerking or hesitation before stall; Loss of power steering and power braking; Vehicle may restart after shutdown or may not
Codes mentioned: P3497, P3400, Generic misfire or vehicle control codes (not specified in all cases)
Repairs/costs cited: Dealers advise engine replacement as only repair option in advanced cases. Some stalls cleared by software update or spark plug replacement, but issue recurs.
Recalls/TSBs owners mention: No recalls or service bulletins documented. Extended warranty (8 years) available only for certain VINs and only if claimed before expiration.
Engine mount failure
Engine mounts fail prematurely, allowing excessive engine movement. Vehicle jolts and rocks during acceleration from a stop and during braking. Problem worsens over time.
When: First noticed around 72,000 miles; continues to deteriorate. Pattern reported by multiple owners between 65,000 and 80,000 miles.
Symptoms owners cite: Engine jolts and moves visibly when accelerating from stop; Excessive vibration during braking; Rocking motion when coming to a stop
Repairs/costs cited: Engine mount replacement required. Owners cite high repair cost.
Recalls/TSBs owners mention: No recalls, service bulletins, or warranty extensions mentioned.
Accessory belt and idler pulley failure
Idler pulley fails prematurely, causing serpentine belt to break. Replacement assembly and bolts break repeatedly within a few hundred miles. Mount bolt shears off during normal city driving.
When: First failure at unspecified mileage; replacement bolts break at 197 miles, then again within days.
Symptoms owners cite: Belt breaks; Bolt shears at idler pulley mount; Loss of power steering due to belt failure; Loud noise when bolt fails
Repairs/costs cited: Idler assembly and belt replaced three times in rapid succession. Mount bolts break on each replacement despite using OEM parts. Parts eventually given to owner to install independently; bolt breaks again at 197 miles. Loss of power steering creates collision risk.
Recalls/TSBs owners mention: No recall or service bulletin identified.
Synthesized from 39 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 3 most recent
Idler pulley bad causing belt to break.chapman enterprises replaced idler assembly and belt.mount bolt broke less than 3oo miles later.they replaced assembly and belt and bolt broke again a few days later.they gave another.assembly and belt to my father to install. He installed it and bolt broke again at 197 miles.loss of power steering could cause an accident resulting in damage,injury , or…
Engine mounts have failed prematurely. Engine moves and jolts car every time you come to a stop or when accelerating from a stopped position. This motion was first noticed around 72,000 miles and continued to get worse over time. Have seen online that many other Honda odyssey drivers have experienced this problem between 65,000 and 80,000 miles driven. This is a part that shouldn't fail this…
Had engine trouble with your 2010 Honda Odyssey?
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 2010 Honda Odyssey?
It's a meaningful issue. 39 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $3,100.
At what mileage does the engine typically fail?
Across the 31 complaints that reported odometer mileage, most engine failures cluster between 47,000 and 125,000 miles, with the median around 93,000. A quarter of owners report trouble before 47,000; a quarter make it past 125,000. 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/2010/Honda/Odyssey.
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.