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full bulletin at NHTSA ↗2012 Ford Fusion engine problems
severe Owners of the 2012 Ford Fusion have filed 49 NHTSA complaints about the engine, typically surfacing around 44,000 miles at roughly $3,100 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See engine across all vehicles →
Failure mileage
Complaints
49
Recalls
0
Avg fix
$3,100
| Model year | engine complaints |
|---|---|
| 2008 Fusion | 17 |
| 2009 Fusion | 17 |
| 2010 Fusion | 282 |
| 2011 Fusion | 90 |
| 2012 Fusion (this page) | 49 |
| 2013 Fusion | 314 |
| 2014 Fusion | 157 |
| 2015 Fusion | 243 |
| 2016 Fusion | 446 |
3fires
When does it fail?
Of the 49 engine complaints filed for the 2012 Ford Fusion, here's the actual mileage breakdown — failures cluster heaviest at 75,000-100,000 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 49 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 11 years — the issue may be aging out of the active population.
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.
TO HELP DIFFERENTIATE ENGINE OIL LEAKS FROM OTHER POSSIBLE SOURCES, A NEW WHITE-COLORED FLUORESCENT ENGINE OIL DYE IS AVAILABLE. WORKSHOP MANUAL (WSM), SECTION 303-00 HAS BEEN REVISED TO REFERENCE THE NEW WHITE-COLORED DYE. THE NEW WHITE FLUORESCENT DYE PROVIDES A DISTINCT WHITE GLOW TO IDENTIFY ENGINE OIL LEAKS. THE NEW WHITE FLUORESCENT DYE REQUIRES A PURE UV DIAGNOSTIC INSPECTION LAMP. THE WHITE-COLORED FLUORESCENT DYE AND PURE UV LAMP ARE NOW IN THE ROTUNDA CATALOG. DYE AND LAMP PART NUMBERS. GASOLINE ONLY DYE: 1 OUNCE BOTTLE 164-TP-33200601. DIESEL ONLY DYE: 8 OUNCE BOTTLE: 164-TP-3320-0008. PURE UV DIAGNOSTIC INSPECTION LAMP 164-TP8695 OR 164-R3748.
full bulletin at NHTSA ↗CERTAIN 2011-2012 MODEL YEAR FUSION VEHICLES EQUIPPED WITH 2.5L OR 3.0L ENGINES - POWERTRAIN CONTROL MODULE REPROGRAMMING AND CANISTER PURGE VALVE INSPECTION
full bulletin at NHTSA ↗The Powertrain Control/Emissions Diagnosis (PC/ED) manual has been revised for diagnosing electronic throttle bodies (ETBs). The ETC_ACT and ETC_DSD PIDs should not used to diagnose possible ETB concerns. The IDS has a limited refresh rate when reading these PIDs and cannot display quickly enough to validate a concern. The PCM automatically monitors these inputs more accurately and will set diagnostic trouble codes (DTCs) when appropriate. Using these PIDs for diagnostics will lead to inaccurate results and improper ETB replacements. If a concern is intermittent and no DTCs are present, refer to historical DTCs and the PC/ED, Section 3 No DTCs Present Index chart for further information.
full bulletin at NHTSA ↗FORD: DUE TO AN INTERMITTENT LOSS OF RPM OR LACK OF ACCELERATION, IN SOME VEHICLES, WITH ILLUMINATED WRENCH LIGHT, DIAGNOSTIC TROUBLE CODES (DTCS) P2111, P2112 MAY OR MAY NOT BE STORED IN POWERTRAIN CONTROL MODULE (PCM). MODELS 2009-12 ESCAPE, MARINER, FUSION, MILAN.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The dominant complaint involves the electronic throttle body suddenly failing—the engine loses all power, the wrench light comes on, and the vehicle stalls. Owners describe this happening at highway speeds, in traffic, or while merging, with no warning. The engine usually restarts fine, but the problem repeats. The catch: Ford's diagnostic scan often shows no stored codes, so dealers refuse to replace the throttle body unless codes are present. One owner self-replaced the throttle body after Ford offered only a $159 diagnostic charge with no guarantee of coverage. Ford issued a Customer Satisfaction Program (13N03) extending throttle body warranty, but it's not a full recall and doesn't mandate replacement without codes.
Beyond throttle issues, owners report engine fires (one during a dealer road test, one while parked), temperature sensor failures that trigger fail-safe shutdown, oil leaks from gaskets and seals, broken engine bolts, fractured flywheels, and A/C failures dealers can't diagnose. One owner's vehicle overheated and the dealer said the engine was ruined, then refused warranty coverage claiming it's "out of warranty"—despite being a recall defect. Owners consistently note the danger: stalling in traffic, on highways, or while merging can cause accidents. Most describe mechanics unable to replicate or diagnose the problems, despite multiple visits.
Same Ford Fusion engine reports on nearby years: 2010 · 2011 · 2013 · 2014 · 2015
Failure modes owners describe
Electronic Throttle Body (ETB) malfunction / stalling
The throttle body fails intermittently, causing sudden loss of engine power, unresponsiveness to acceleration inputs, and vehicle stalling at various speeds. The wrench warning light typically illuminates. Engine often restarts normally after shutdown. Owners report this occurs without stored diagnostic codes, making dealer diagnosis difficult.
When: Occurs at all speeds and driving conditions; mileage range 3,000 to 130,000 miles; some incidents within months of purchase
Symptoms owners cite: Loss of power and throttle response during acceleration; Wrench warning light on dashboard; Engine stalling without warning; Vehicle entering limp-home mode (reduced power, ~10 MPH); Rough idle or sputtering; No stored diagnostic codes in OBD-II; Problem resolves after restart
Codes mentioned: P2111
Repairs/costs cited: Throttle body replacement; owner reports cost $125 for self-replacement with updated part; dealer replacement covered under extended warranty with $100 deductible in one case; Ford Customer Satisfaction Program 13N03 extends throttle body warranty but does not mandate replacement without stored codes
Recalls/TSBs owners mention: Ford Customer Satisfaction Program 13N03 provides extended throttle body warranty; dealers typically refuse replacement unless stored codes present; some owners report Ford attempted buyback under lemon law
Engine temperature sensor / coolant system failure
Faulty coolant temperature sensor or related wiring corrodes, sending false overheating signals to the engine computer. This triggers fail-safe shutdown mode to protect the engine, causing sudden loss of power and ability to accelerate. A Ford service bulletin exists but no recall issued.
When: Occurred around 120,000 miles in reported case; timing varies by vehicle
Symptoms owners cite: Bucking and jerking while driving; Loss of power and acceleration response; Check engine light illumination; Temperature gauge reading high/hot; Engine enter fail-safe shutdown mode; Vehicle immobile in roadway after shutdown
Repairs/costs cited: Temperature sensor replacement required; corrosion on sensor and wiring noted
Recalls/TSBs owners mention: Ford Service Bulletin exists for this issue but no recall issued
Oil leaks from valve cover gasket, oil pan, and front seal
Oil leaks from multiple engine gasket and seal locations. Contributing factors or consequences unclear from complaint, but vehicle exhibits shaking while idling and intermittent check engine warning.
When: Failure mileage unknown; vehicle shaking and check engine light intermittent
Symptoms owners cite: Abnormal shaking while idling; Vehicle shakes as if it would shut off; Check engine warning light flashing; Oil leaking from engine seals
Repairs/costs cited: Valve cover gasket, oil pan gasket, and front seal replacement needed; vehicle not repaired per complaint
Engine fire
Vehicle caught fire during dealership road test after six prior service visits for check engine light issues. Vehicle became total loss; specific cause of fire not disclosed by dealership.
When: After 6 service attempts for check engine light; mileage not stated
Symptoms owners cite: Check engine light (persistent prior to fire); Vehicle caught fire and burned completely
Repairs/costs cited: Vehicle total loss; specific cause not disclosed
Engine parked-fire ignition
Engine spontaneously caught fire while vehicle was parked. Fire department extinguished flames. No police or fire report filed. Vehicle destroyed.
When: At 80,000 miles while parked
Symptoms owners cite: Engine fire while parked
Repairs/costs cited: Vehicle destroyed
Broken engine bolt striking CV joint
Engine bolt fractured and struck the CV joint, flooding it with grease and making the vehicle difficult to drive. Check engine light illuminated. Cause of bolt fracture not determined.
When: At approximately 83,894 miles
Symptoms owners cite: Broken engine bolt; Grease flooding CV joint; Difficulty driving vehicle; Check engine warning light
Repairs/costs cited: Broken bolt removal attempted by owner but owner lacked correct tool; vehicle not repaired
Fractured flywheel
Flywheel fractured while driving, causing abnormal engine noise and immediate stalling. Vehicle would not restart. Dealer replaced flywheel but failure recurred.
When: First failure at 63,000 miles
Symptoms owners cite: Abnormal sound from engine; Vehicle stalls without warning; Engine unable to start after stall; Flywheel fracture
Repairs/costs cited: Flywheel replacement; failure recurred after repair
Recalls/TSBs owners mention: Manufacturer notified of failure
Engine noise / droning rattle and shaking on startup
Vehicle exhibits abnormal drone, moan, or rattle noise from engine, typically while driving slight incline at light throttle around 45-61 km/h (28-38 mph) and 1300-1400 RPM in fifth gear. Aggravated when A/C compressor cycles. Relates to TSB 11-10-26 (droning/rattle issue) but TSB applies only to Escape and Mariner, not Fusion. Also reported: abnormal noise and shaking on startup that dealers could not diagnose.
When: Occurs during light throttle driving; shaking on startup at very low mileage (1,000 miles) in one case
Symptoms owners cite: Drone, moan, or rattle noise from engine; Abnormal shaking on startup; Noise aggravated by A/C compressor engagement
Repairs/costs cited: TSB 11-10-26 addresses droning/rattle but only for Escape and Mariner; issue not repaired in reported Fusion cases
Recalls/TSBs owners mention: TSB 11-10-26 exists but does not apply to Fusion; manufacturer investigator promised but did not appear in one case
Unintended acceleration / electronic throttle control malfunction
Vehicle accelerates abruptly without driver input, especially at low speeds while coasting or entering garage. Occurs despite no throttle pedal depression. Brakes hard application required to stop vehicle.
When: Occurred at 5-10 mph coasting and while entering garage; problem worsened over two-year period
Symptoms owners cite: Abrupt acceleration with roar; No driver throttle input; Requires hard braking to stop; Repetitive incidents at stop signs
Check engine light with hard starting / fuel odor
Check engine light illuminates and remains on intermittently. Vehicle struggles to start after refueling, requiring multiple start attempts. When engine is left running during refueling, no start issues occur. Diagnostic code available from AutoZone but dealer refuses diagnosis without $100 diagnostic fee.
When: Reported July 24th; vehicle purchased used in December 2012 with 11,000 miles
Symptoms owners cite: Check engine light on intermittent/persistent; Hard starting after refueling; Multiple start attempts required; No issues if engine left running while refueling
Codes mentioned: <UNKNOWN>
Repairs/costs cited: Code available from AutoZone but not identified in complaint; dealer wants $100 diagnostic fee plus $160/hour labor
Evaporative emissions system leak
Small evaporative system leak from fuel filler neck area related to capless gas cap system. Owner notes prior model years had recalls for this issue but 2012 model not included.
When: Specific mileage not stated
Symptoms owners cite: Evaporative emissions leak from fuel filler neck
Recalls/TSBs owners mention: No recall for 2012 model despite issue in prior years
Air conditioning system failure
A/C fails to function at various speeds. Air vents blow hot air instead of cold. Failure recurs on multiple occasions. Dealer unable to diagnose or repair after multiple visits.
When: First occurred at 40,000 miles
Symptoms owners cite: A/C fails to function; Air vents blow hot air; Recurrent failure
Repairs/costs cited: Not repaired; dealer unable to diagnose after multiple service visits
Burning oil smell and oil leak source unknown
Abnormal smoke odor like burning oil while driving and slowing to a stop. Independent mechanic found evidence of oil leak but could not locate source.
When: At approximately 97,900 miles
Symptoms owners cite: Burning oil odor from front of vehicle; Smoke smell when slowing to stop; Evidence of oil leak (source unknown)
Repairs/costs cited: Not repaired; leak source undetermined
Vehicle overheating
Vehicle overheated while driven at various speeds. Water hose replacement by owner's certified-mechanic husband did not fully resolve issue. Owner found NHTSA campaigns 12V551000 and 17V209000 for engine/cooling but VIN was not included in either campaign.
When: Occurred around 120,000 miles
Symptoms owners cite: Engine overheating at various speeds; Water hose failure
Repairs/costs cited: Water hose replaced by owner; overheating issue persisted
Recalls/TSBs owners mention: Manufacturer confirmed VIN not included in NHTSA campaigns 12V551000 or 17V209000
Synthesized from 49 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 1 most recent
Tl* the contact owned a 2012 Ford fusion. The contact stated that while the vehicle was parked, the engine caught fire. The fire department extinguished the fire. A police and a fire report were not filed and no injuries were reported. The vehicle was destroyed. The manufacturer was not notified of the failure. The VIN was not available. The failure mileage was 80,000.
Had engine trouble with your 2012 Ford Fusion?
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 2012 Ford Fusion?
It's a meaningful issue. 49 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 45 complaints that reported odometer mileage, most engine failures cluster between 14,650 and 74,000 miles, with the median around 44,000. A quarter of owners report trouble before 14,650; a quarter make it past 74,000. 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/2012/Ford/Fusion.
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.