While driving a/c quit working. Took to Honda for warranty since car was less than a year old for repair. The said that their was a hole in the condenser from a rock and that warranty would not cover it. Estimate for repair was $620+tax. *tr
2007 Honda Accord engine problems
severe 32 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
Failure mileage
Complaints
32
Recalls
0
Avg fix
$3,100
2crashes
1fire
5injuries
When does it fail?
Of the 32 engine complaints filed for the 2007 Honda Accord, 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 32 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 17 years — the issue may be aging out of the active population.
The failure pattern owners describe
Buyer takeaway: The 2007 Accord has recurring engine issues: spark plugs blow out and destroy engines at low and highway mileage, unintended acceleration at stops has caused collisions, and oxygen sensor failures cascade into catastrophic failures. A/C condenser damage from road debris is endemic and not covered under warranty; engine vibration, stalling, and hard starts are common complaints that dealers cannot diagnose.
Owners report a range of serious engine and drivetrain problems on the 2007 Accord. The most catastrophic involves spark plugs ejecting from cylinders at both highway and lower speeds, destroying engines. Multiple owners describe spark plugs blowing out and damaging cylinder heads, pistons, and engine walls, requiring full engine replacement. One owner's ejected spark plug ignited a fire. These failures have occurred as early as 47,000 miles and recurred on the same vehicle.
Unintended acceleration at stops and red lights has caused at least one collision. Owners report the engine revs up excessively with foot on brake, and pressing harder on the brake causes further revving. A 2019 recall for accelerator pedal binding exists, but owners report never receiving notification.
Oxygen sensor failures trigger check engine lights and, after sensor replacement, the same code returns at higher mileage. Continued driving with the active code leads to catastrophic spark plug failure.
Engine vibration is widespread—violent shaking felt through the steering wheel, pedals, and seats, sometimes causing numbness and nausea. Motor mount replacement is indicated in diagnosed cases but often not completed.
Other reported failures include engine stalling while driving with complete power loss, oil pressure switch shutdowns on the freeway, accelerator pedal sensor malfunction, and chronic engine misfire that dealers cannot diagnose.
A/C condenser damage from road debris is endemic. Rocks puncture the condenser, causing coolant loss and failure, typically at 16,000 to 100,000 miles. Honda issued TSBs for A/C issues but problems persist. Warranty does not cover this damage, and repair costs run $620–$2,700 depending on additional system damage.
Same Honda Accord engine reports on nearby years: 2005 · 2006 · 2008 · 2009 · 2010
Failure modes owners describe
Spark plug ejection and engine destruction
Spark plugs blow out of cylinders, sending debris into the engine and destroying internal components. Owners report this happening at highway speeds and low speeds alike, sometimes twice on the same vehicle. Engine replacement required in multiple cases.
When: 47,000 miles; 53,000 miles; 69,000 miles; under 50,000 miles (multiple instances)
Symptoms owners cite: Check engine light flashes or illuminates; Engine misfire; Engine shuts down completely; Violent shaking before shutdown; In one case, ejected spark plug ignited a fire when it landed in the front bumper/passenger fender area
Codes mentioned: P0300 or similar misfire codes (inferred from check engine light with misfire symptom)
Repairs/costs cited: Full engine replacement required: short block, cylinder head, all spark plugs, gaskets and seals. Owner paid ~$2,500 after Honda covered partial repair. Another owner faced complete engine replacement with no warranty coverage at 50,000 miles. Fire department may have responded in case #24.
Recalls/TSBs owners mention: Honda replaced first engine under factory warranty in cases where vehicle was within warranty period. Denied coverage on second engine failure at 47,000 miles and second failure at 50,000 miles, citing expired factory warranty despite repeated defect.
Unintended acceleration at stops and during turns
Engine revs excessively high when vehicle is stopped at red lights, stop signs, and in heavy traffic. Pressing brake pedal causes revs to increase further. Vehicle lurches forward when brake is released, causing collision in at least one case. Occurs unpredictably and intermittently.
When: Recently; happens at various intervals, months apart sometimes, then 7-8 times in succession
Symptoms owners cite: Engine revs up extremely high while foot is on brake; Harder pressure on brake causes higher revs; Vehicle jerks forward when brake is released; Happens during stops, red lights, heavy traffic, and right turns; No warning lamps illuminate
Repairs/costs cited: Mechanics and dealer unable to diagnose root cause despite two diagnostic tests. Owner notes 2019 recall issued for Accelerator Pedal May Bind (FMVSS 124) but never received recall notification.
Recalls/TSBs owners mention: 2019 recall for Accelerator Pedal May Bind/FMVSS 124 exists but owner reports never receiving notification. Dealer diagnostic test found nothing wrong.
Oxygen sensor failures leading to engine misfire and damage
Bank 2 Sensor 1 oxygen sensor fails, triggering check engine light. After sensor replacement, same code returns at higher mileage. Vehicle continues to be driven with code active until spark plugs or coil packs fail catastrophically.
When: 88,000 miles (first sensor failure); 96,000 miles (recurring code); after 5,000 miles of driving with active code, spark plug failure occurs
Symptoms owners cite: Check engine light illuminates; Check engine light flashes after extended driving with sensor code; Spark plug and coil pack blow out of cylinder number 5
Codes mentioned: P0140 or P0141 (Bank 2 Sensor 1 oxygen sensor malfunction, implied)
Repairs/costs cited: Oxygen sensor replaced. Later, spark plug and coil pack require engine replacement.
Engine vibration and shaking
Engine vibrates violently, with vibrations transmitted throughout the vehicle structure. Occurs immediately after starting, at idle, and while driving. Whole-car shaking felt through steering wheel, pedals, seats, and visor. Can cause numbness in hands and upset stomach.
When: 1,750 miles after oil control solenoid replacement; 89,000 miles; 500 miles (early failure); onset at various speeds while driving
Symptoms owners cite: Violent engine vibration immediately after starting; Vibrations increase at complete stop; Entire car shakes; vibration felt in steering wheel; Vibration transmitted to gas pedal, brake pedal, visor, exhaust system; Numbness in hands from steering wheel vibration; Stomach upset from prolonged seat vibration; Passenger seat and rear seats also vibrate
Repairs/costs cited: Motor mounts identified as needing replacement at 89,000 miles, but vehicle was not repaired. Oil control solenoid replacement preceded vibration in one case.
Recalls/TSBs owners mention: Replacement vehicle offered but with navigation system requiring additional $2,500 payment that owner could not afford.
Engine stalling and power loss while driving
Engine loses power or stalls without warning while vehicle is in motion, causing unsafe speed reduction. In some cases vehicle cannot regain speed even with accelerator pressed. VSA and engine warning lights may illuminate. Computer update attempted at dealership but does not resolve issue.
When: Mileage unknown for most instances; one incident at 65 mph dropping to 20 mph; another at 30 mph losing acceleration capability
Symptoms owners cite: Complete loss of engine power while driving; Check engine light illuminates; VSA (Vehicle Stability Assist) light illuminates; Vehicle speed drops from highway speed (65 mph) to 20 mph; Accelerator pedal becomes unresponsive; vehicle will not accelerate; Engine shuts down completely in some cases; Tachometer rises but engine does not respond (no wheel movement)
Repairs/costs cited: Dealership performed computer update as attempted fix, but root cause not identified or repaired.
Recalls/TSBs owners mention: Dealership updated vehicle computer; issue recurred. Manufacturer referred contact to NHTSA Hotline.
Oil pressure switch failure causing engine shutdown on freeway
Oil pressure switch fails and shuts down the engine while vehicle is traveling on the freeway at speed. Failure has recurred twice on the same vehicle, with second failure resulting in rear-end collision in heavy traffic.
When: Two failures; second failure at unknown mileage resulted in major accident
Symptoms owners cite: Engine shuts off abruptly on freeway; No warning before shutdown; Vehicle cannot be accelerated to highway speed after shutdown; Repeated failure on same vehicle
Repairs/costs cited: Oil pressure switch replaced twice. No indication switch was repaired correctly first time or that root cause was investigated.
Recalls/TSBs owners mention: Honda replaced oil pressure switch after first failure. Parts were replaced again after second failure but no systemic fix implemented.
Accelerator pedal sensor malfunction
Accelerator pedal sensor stops working while vehicle is in motion, causing sudden and severe loss of acceleration capability. Vehicle cannot exceed 20 mph even with pedal fully pressed.
When: Occurred at 30 mph on main road of subdivision
Symptoms owners cite: Accelerator pedal becomes non-responsive; Vehicle suddenly loses acceleration capability; Cannot exceed 20 mph despite pressing accelerator
Engine misfire and sputtering
Engine begins to sputter at various speeds while driving. Failure recurring multiple times over extended period. Dealers unable to diagnose root cause despite multiple visits.
When: Three occurrences over two years; failure mileage 67,000
Symptoms owners cite: Engine sputters while driving at various speeds; Recurrent failures; Flashing or illuminating check engine light
A/C condenser damage from road debris
A/C condenser develops hole or is damaged by rocks or pebbles from the road, causing coolant loss and loss of air conditioning function. Owners report this as a design defect given the exposed location of the component. Multiple owners report same issue. Two TSBs issued by Honda (07-075 and 08-046) but A/C continues to fail.
When: 16,000 miles (first instance); 101,000 miles (another instance); occurring on multiple vehicles with post-2007 build dates also reporting the same problem
Symptoms owners cite: A/C stops working; Visible hole or damage in condenser; Coolant leaks from condenser; A/C never worked properly since new (one owner)
Repairs/costs cited: A/C condenser replacement: ~$620–$900 for parts and labor depending on dealer. Owners note one compressor was overcharged and sent metal fragments throughout system, requiring $2,700 repair.
Recalls/TSBs owners mention: Warranty does not cover road debris damage. Honda issued TSBs 07-075 (11/02/2007) and 08-046 (07/18/2008) for A/C issues, but repairs have not resolved ongoing failures. Dealers refer customers to file insurance claims.
Engine failure requiring replacement
Engine fails and requires complete replacement at relatively low mileage. Vehicle unable to start in one case; in another, internal damage has made engine inoperable.
When: 175,000 miles (one case); other cases at lower mileage unspecified
Symptoms owners cite: Vehicle fails to start without warning; Engine unable to be repaired
Repairs/costs cited: Complete engine replacement required. Vehicle not repaired in reported case.
Motor mount cracking and wear
Engine motor mounts crack, leading to engine vibration. Owners report this is a widespread issue among 2007 Accords that should trigger a safety recall.
When: 89,000 miles (one identified case); cracking reported across model line
Symptoms owners cite: Engine vibration; Violent shaking of entire vehicle
Repairs/costs cited: Motor mount replacement required.
Fuel economy degradation and repeated part failures
Vehicle achieves significantly poor fuel economy (10–12 mpg city, 15 mpg highway) despite repeated replacement of ignition coils, spark plugs, and fuel injectors. Root cause not identified after ten dealer visits.
When: Ongoing throughout ownership
Symptoms owners cite: Poor fuel economy despite maintenance; Recurring ignition and fuel system component failures
Repairs/costs cited: Ignition coils, spark plugs, and fuel injectors replaced multiple times without resolution.
Recalls/TSBs owners mention: Dealer unable to resolve issue after ten visits.
A/C compressor overcharge and system damage
A/C compressor was overcharged during service, sending metal fragments throughout the A/C system and requiring extensive repairs.
When: Mileage unknown; service performed by Wolfchase Honda (Bartlett, TN)
Symptoms owners cite: A/C failure; Metal fragments in A/C system
Repairs/costs cited: Repairs cost $2,700. Compressor likely requires replacement; entire system flushing and component replacement necessary.
Ignition system fault preventing vehicle start
Vehicle fails to start despite no battery failure. Dealership diagnoses micro chip in key preventing start. Engine light illuminates, engine jumps and shakes. Headlights do not dim properly.
When: Early in vehicle ownership; failure mileage 250 miles, current mileage 1,500 miles
Symptoms owners cite: Vehicle will not start after several unsuccessful attempts; Delay of several hours before vehicle can be started; Engine light illuminates during second week of ownership; Engine jumps and shakes as if about to stall; Headlights do not dim when deactivated; Failure becomes more frequent over time
Repairs/costs cited: Micro chip in key identified as root cause. Contact requested new vehicle rather than repair.
Synthesized from 32 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 1 most recent
Had engine trouble with your 2007 Honda Accord?
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 2007 Honda Accord?
It's a meaningful issue. 32 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 25 complaints that reported odometer mileage, most engine failures cluster between 23,477 and 100,000 miles, with the median around 69,658. A quarter of owners report trouble before 23,477; a quarter make it past 100,000. 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/2007/Honda/Accord.
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.