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2011 Ford F-550 engine problems

moderate 7 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →

Complaints
7
Recalls
2
Avg fix
$3,100

When does it fail?

Of the 7 engine complaints filed for the 2011 Ford F-550, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.

0-25k
5 (71.4%)
25-50k
1 (14.3%)
50-75k
0 (0%)
75-100k
0 (0%)
100-125k
1 (14.3%)
125-150k
0 (0%)
150k+
0 (0%)

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

Among the 9 model years of Ford F-550 in our records for engine problems, this one ranks #2 by owner-complaint volume.

Reported failure mileage clusters in the 0-25,000 mi band — 5 of 7 complaints with an odometer reading on file land there.

Related recalls

severe NHTSA 15V052000 January 30, 2015

All Wheel Drive Equipment Mfg

The leaking oil may soak into the thermal blanket covering the exhaust, which when combined with heat from exhaust, may result in an increased risk of fire.

Fix: All Wheel has notified the owner and will install a new pressure switch kit that moves the switch away from the exhaust system, free of charge. Owners may contact All Wheel customer service at 1-800-311-4778.
severe NHTSA 14V411000 July 8, 2014

J

The leaking oil may soak into the thermal blanket covering the exhaust, which when combined with heat from exhaust, may result in an increased risk of fire.

Fix: J.C. Madigan will notify owners, and dealers will install a new pressure switch kit that moves the switch away from the exhaust system, free of charge. The recall began in September 2014. Owners may contact J.C. Madigan customer service at 1-978-847-2900.

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.

Service Bulletin 44848 Jan 2015

FORD: CERTAIN 2011-2015 FORD F-SUPER DUTY WITH 6.7 DIESEL ENGINES MAY EXPERIENCE A VIBRATION BUZZ NOISE FROM THE DIESEL FUEL CONDITIONING MODULE (DFCM) AND/OR MAY 10/1/1 PRESSURE FUEL LINES W/O DIAGNOSTIC TROUBLE CODE POOSA.

full bulletin at NHTSA ↗

Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.

What owners are reporting 7 most recent

engine · 49,000 mi · filed 12/06/2024

The contact owns a 2011 Ford F-550. The contact stated while starting the vehicle, there was a loud knocking sound coming from the engine. The check engine warning light was illuminated. The vehicle was taken to an independent mechanic and was diagnosed with a failure in cylinder #8 and with engine failure. The contact was informed that the engine needed to be replaced. The vehicle was not…

engine · 6,500 mi · filed 12/04/2024

The contact's local fire department owns a 2011 Ford F-550. The contact stated that while driving at 45 MPH, the vehicle stalled out as several warning lights appeared on the instrument panel. The contact made multiple attempts to restart the engine but the failure persisted. Due to the failure, the vehicle was towed to an independent mechanic where a diagnostic was performed. The mechanic…

engine · 18,000 mi · filed 11/10/2015

Tl* the contact owns a 2011 Ford f-150. The contact stated that the check engine light illuminated on the instrument panel and the vehicle stalled shortly after the failure. The vehicle was taken to the dealer where it was diagnosed that the interior lining of the fuel tank shed into the fuel tank and damaged the engine. The dealer stated that both fuel tanks would have to be replaced and the…

engine · 22,555 mi · filed 06/07/2017

Engine shutting off & will not re-start after. Will restart after it sits for a couple hours. Has been into tuttleclick Ford several times for repair of this issue. Still not fixed.

engine · 104,000 mi · filed 06/04/2014

Ford has a tsb on a cylinder #5 glowplug failure that causes engine failure. Coincidentally, their warranty on a 6.7 diesel is to 100,000 miles. Mine failed at 104,000. Ford is not covering it. This is going to cost me $13,000. The item should be a recall. *tr

engine · 24,000 mi · filed 04/22/2020

Tl* the contact owns a 2011 Ford f-550. The contact stated he received a notice that the vehicle had two linings in the internal part of the vehicle which both unexpectedly detached and contaminated the fuel in fuel tank. The contact stated the failure caused the engine to fail. The vehicle was towed to a unknown local dealer for a diagnostic testing which took three months. The diagnosis…

engine · 19,000 mi · filed 01/22/2015

Tl*the contact owns a 2011 Ford f-550. The contact stated that while driving at approximately 5 MPH, the vehicle stalled. The vehicle was able to restart after multiple attempts. The vehicle was towed to a dealer for diagnostic testing the mechanic diagnosed contamination in the fuel. The vehicle was repaired. The contact referenced NHTSA campaign number: 13v535000 (engine). The manufacturer…

Had engine trouble with your 2011 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 2011 Ford F-550?

It's a documented issue but not catastrophic. 7 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.

At what mileage does the engine typically fail?

Based on the 7 complaints filed, engine issues most often appear around 34,722 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?

Yes — 2 active recall(s) cover engine issues on this vehicle. Recall fixes are always free regardless of mileage or warranty status. Use the VIN decoder at the top of the page to check if your specific vehicle is affected.

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/2011/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.
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