FORD: IN SOME DIESEL TRUCKS, THE MIL MAY ILLUMINATE AND IS MOST COMMON WITH TRUCKS OPERATING IN LOW SPEED DRIVING AND/OR OPERATING IN STATIONARY IDLE MODE FOR AN EXTENDED PERIODS OF TIME, WHERE THE EXHAUST REGENERATION PROCESS IS NOT FULLY COMPLETED. MODEL 2012 F-450, F-550 SUPER DUTY.
full bulletin at NHTSA ↗2012 Ford F-550 engine problems
severe 6 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
Complaints
6
Recalls
0
Avg fix
$3,100
1fire
When does it fail?
Of the 6 engine complaints filed for the 2012 Ford F-550, here's the actual mileage breakdown — failures cluster heaviest at 25,000-50,000 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
No new NHTSA engine complaint has been filed on this vehicle in over 9 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.
FORD: WHEN TRUCK IS PREVENTED, AFTER AN EXTENDED TIME PERIOD OF STATIONARY IDLENESS OR LOW SPEED DRIVING, IT FAILS TO COMPLETE EXHAUST REGENERATION PROCESS AND ILLUMINATES MIL AND DTC P207F WITH/WITHOUT DTC P204F. MODEL 2012 F-450, 550.
full bulletin at NHTSA ↗FORD: DUE TO LOOSE, MISSING, MODIFIED OR DAMAGED GROUND G400, VARIOUS MALFUNCTION INDICATOR LIGHT (MIL) DTC'S, RELATED TO GLOW PLUG CONTROL MODULE (GPCM), MAY BE EXHIBIT ON SOME DIESEL EQUIPPED TRUCKS. MODEL YEARS 2011-2013. NO MODELS LISTED.
full bulletin at NHTSA ↗FORD: INFORMATION BEING PROVIDED, FOR SOME TRUCKS, REGARDING SERVICE PROCEDURE CORRECTION FOR TRUCKS WITH DIESEL ENGINE, EXPERIENCING MALFUNCTION INDICATOR LAMP (MIL) ON WITH DTCS P2031, P2032 AND/OR P2033. MODELS 2011-2012 F SUPER DUTY.
full bulletin at NHTSA ↗FORD: VEHICLE MAY EXPERIENCE EXHAUST SMOKE, ENGINE KNOCKING, LOW POWER, LONG CRANK HARD START, RUNS ROUGH OR NO CRANK START WHICH MAY BE CAUSED BY CONTAMINATED FUEL.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 6 most recent
Tl* the contact owns a 2012 Ford f-550. While driving 65 MPH with the exhaust cleaning cycle operated, the cycle suddenly stopped. The vehicle lost power, stalled, and the check oil warning indicator illuminated. The failure recurred on two separate occasions. The vehicle was towed to the dealer, but was not diagnosed or repaired. The manufacturer was notified of the failure. The failure mileage…
While driving vehicle on trail it was noticed that smoke and fire were coming from the undercarriage. Driver attempted to put the fire out with the vehicle supplied fire extinguisher. After the extinguisher ran out the vehicle fire accelerated and totally engulfed the vehicle.*dt*jb
Tl* the contact owns a 2012 Ford f-550. The contact stated that the cam shaft fractured internally within the cylinder head and destroyed the engine assembly. The dealer (mathews Ford oregon, 2811 navarre ave, oregon, oh 43616, (419) 698-4444) and the manufacturer indicated that the vehicle's three year warranty had expired and service was denied per the campaign for customer satisfaction number:…
The contact owns a 2012 Ford F-550. The contact stated that while driving at approximately 15 MPH, the vehicle stalled without warning. The contact made multiple attempts to restart the vehicle; however, the vehicle repeatedly failed to start up. Due to the failure, the contact called the dealer and had the vehicle towed there for an inspection. The contact then called an independent mechanic who…
Tl* the contact owns a 2012 Ford f-550. While driving on an incline at 60 MPH, the engine power loss indicator illuminated. Suddenly, the contact heard a loud pop sound and the engine stalled and lost power. The vehicle was towed to worthington Ford (2950 n bellflower blvd, long beach, ca 90815, (562) 420-3333) where it was diagnosed that the high pressure fuel pump failed and the engine needed…
Tl*the contact owns a 2012 Ford f-550. The contact stated that while driving at approximately 40 MPH, the engine light illuminated as the vehicle to stall. The vehicle was taken to the dealer several times for the failure a diagnostic was performed which located the failure at the computer scanner system was sending the incorrect reading to the engine. The dealer reprogrammed the computer…
Had engine trouble with your 2012 Ford F-550?
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 F-550?
It's a meaningful issue. 6 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?
Based on the 6 complaints filed, engine issues most often appear around 72,857 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 $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/F-550.
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.