3.7L Engine - Cfoolant pump leak
full bulletin at NHTSA ↗2012 Ford Mustang fuel system problems
severe 3 complaints filed with NHTSA · avg repair $1,200 · see fuel system across all vehicles →
When does it fail?
Of the 3 fuel system complaints filed for the 2012 Ford Mustang, here's the actual mileage breakdown — failures cluster heaviest at 50,000-75,000 mi.
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.
No new NHTSA fuel system 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 fuel system 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.
FORD: DUE TO A BLOWN FUSE IN BATTERY JUNCTION BOX, VEHICLE EXHIBIT AN INTERMITTENT DRIVABILITY CONDITION, WITH A CRANK/NO START AND DIAGNOSTIC TROUBLE CODE (DTC) P0627 STORED IN POWERTRAIN CONTROL MODULE (PCM). MODELS 2011-2013 MUSTANG.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 1 most recent
Driving down the highway full speed in heavy traffic, and engine just shuts down. Wrench light and check engine light come on. Have to coast through traffic to pull off to the side of the road and stop. Restart the car a couple of times, and then it's fine. Took to Ford dealer, who said I had a bad throttle body. Charged over $800 to repair. Completely losing power while driving down the…
Common questions
How serious is the fuel system problem on the 2012 Ford Mustang?
It's a meaningful issue. 3 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $1,200.
At what mileage does the fuel system typically fail?
Based on the 3 complaints filed, fuel system issues most often appear around 55,939 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $1,200 for fuel system 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 fuel system?
No active recalls currently cover fuel system 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.