Stalling while driving on the 2012 Ford F-150
When stalling while driving gets reported
Owners of the 2012 Ford F-150 report stalling while driving at a median of 45,000 miles. A quarter of the reports come in before 5,000 miles and a quarter after 70,000 miles, from 23 reports that carried an odometer reading.
A part like this is normally expected to survive 75,000 miles. It is the 14th most-reported problem on this model year.
The mileage distribution
The reported range runs from 600 miles at the tenth percentile to 95,000 miles at the ninetieth, a spread of 92,800 miles across the middle 80% of reports.
A spread this wide points at use rather than design. Towing, climate, service history and city mileage all move a failure like this, so the median is a weak guide to any individual car.
43% of the dated reports were filed under 36,000 miles.
The whole distribution
| 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|
| 600 miles | 5,500 miles | 47,000 miles | 72,000 miles | 93,400 miles |
Read the 10th percentile as “one report in ten arrived this early”. Exact figures are shown in this table because it is the table of record; everywhere else on the site they are rounded to the precision the sample can carry.
What a percentile can and cannot tell you here
These five numbers describe the readings owners gave, in order. The median is the middle one: half the reports arrived below it. The 10th and 90th are the edges of the bulk of the distribution, and the distance between them is the part worth reading. A tight spread — say 70,000 to 95,000 miles — points at something that wears out on a schedule, and the schedule is knowable. A wide one, 20,000 to 190,000, points at a fault that hits some cars and never troubles others, which means the mileage on the listing in front of you tells you very little about your odds.
What these figures are not is a survival curve. Every reading here comes from a car whose owner filed a complaint, so the sample contains only failures: it cannot say what share of the fleet made it past 150,000 miles untouched, because those owners had nothing to report. Nor is the mileage the moment of failure — it is the odometer reading as recalled at the time of filing, which may be weeks later and is sometimes rounded to the nearest ten thousand by the person typing it.
Percentiles are shown at all only once 8 readings exist for the vehicle and mode. Below that the middle of a handful of numbers is noise wearing a decimal point, so the figures are withheld rather than dressed up.
What happens, and what it costs
Putting it right typically runs $300–$2,500 at an independent US shop. That range is an editorial estimate held in this site's failure-mode catalogue, not a figure from NHTSA, and it is a repair cost rather than a diagnosis cost.
This mode is classified as critical, which means a failure can leave the car unable to stop, steer, or stay out of the way of traffic. It is weighted accordingly in the risk score.
The same failure on other years
The same failure is reported on 16 model years of this car. It shows up earliest on the 2019, at a median of 10,000 miles, and latest on the 2001 at 145,000 miles.
By volume the 2012 is the worst of them, which makes this a problem of this specific year rather than of the model as a whole.
If one year stands out to the left, that is the year to avoid; if the whole line sits at a similar mileage, this is wear rather than a defect in one production run.
Tick median reported mileage Solid middle half of reports Faint 10th to 90th percentile Colour how bad the failure is when it happens
What owners wrote
Verbatim from NHTSA complaint narratives, trimmed for length. The mileage is the one the owner gave.
While merging into traffic and accelerating, the engine stalled and the truck engine almost died. This has happened numerous times since, mainly when I accelerate quickly as in trying to pass a car. It could easily get someone killed. The dealer cannot duplicate the problem or come up with a fix because there are no codes showing even though the check engine light comes on when this happens I have checked the f150forum.com and its evident that this problem is rampant with this engine.. *tr
While merging into traffic and accelerating, the engine stalled and the truck engine almost died. This has happened numerous times since, mainly when I accelerate quickly as in trying to pass a car. It could easily get someone killed. The dealer cannot duplicate the problem or come up with a fix because there are no codes showing even though the check engine light comes on when this happens I have checked the f150forum.com and its evident that this problem is rampant with this engine.. *tr
Brand-new car - 2 days old. Trying to merge into traffic on I-81 at night during light rain. Engine stalled during acceleration attempt while merging from the on-ramp onto right lane of interstate, forcing 18-wheeler to brake to void crushing me. Engine rumbled with very little power getting to the wheels, and recovered to normal driving mode within about one minute. Scariest driving event in my decades of driving. Internet research indicates that this seems to be a common problem with the 3.5l 6-cylinder ecoboost in humid weather, due to condensation in the intercooler being sucked into the engine, when accelerating sharply (such as merging into traffic, lane changes, etc., I.e., when full engine power is really needed). This will lead to fatalities eventually, if not fixed, but there seems to be no fix available from ford. *tr
Also reported on the 2012 Ford F-150
Other powertrain problem
Other engine problem
Other speed control problem
Other steering problem
Other visibility problem
Other electrical problem
How far this goes
Complaints are voluntary, so 30 is a floor and not a count of affected cars. Mileages are typed in by owners and cluster on round numbers. And the mode itself is assigned by software reading the complaint text, which is reliable in bulk and fallible one report at a time.
Questions this page answers
At what mileage does stalling while driving happen on the 2012 Ford F-150?
Across 23 owner reports that included an odometer reading, half were filed by 45,000 miles. A quarter were filed before 5,000 miles and a quarter after 70,000 miles. These are the mileages owners reported when they complained, not a prediction for any individual car.
How common is stalling while driving on the 2012 Ford F-150?
30 reports have been filed with NHTSA, about 0.1 per 1,000 vehicles. Complaints are voluntary, so this is a floor rather than a count of affected cars.
What this is and is not. These are the mileages at which owners chose to complain to a federal agency, which is not the same as the mileage at which the part fails on every car. It skews toward failures that happened outside warranty, cost real money, or frightened someone. It is still the only public dataset that carries failure mileage at all, and the shape of a few hundred readings is informative even when a single one is not. Methodology · JSON · this failure on other cars
Source Owner complaints and recall records published by the US National Highway Traffic Safety Administration, model years 1996–2027 Figures rebuilt Published by AtWhatMileage How every figure is computed