Tl* the contact owns a of a 2006 Ford f-150. The vehicles liner in the gas tank this causing the fuel lines to clog and the vehicle to stall. The contact has had the tank replaced twice. The failure miles were 80000 and the current are 85000.
2006 Ford F-550 fuel system problems
moderate 32 complaints filed with NHTSA · avg repair $1,200 · see fuel system across all vehicles →
Failure mileage
Complaints
32
Recalls
0
Avg fix
$1,200
When does it fail?
Of the 32 fuel system complaints filed for the 2006 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
Of the 5 model years of Ford F-550 we track for fuel system problems, this one carries the most owner complaints on file — 32.
Owners have filed 32 fuel system 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.
The failure pattern owners describe
The 2006 Ford F-550's fuel system is plagued by internal fuel tank coating failure. Owners consistently describe silver flakes, rust particles, and gray paint-chip-like debris in fuel filters, combined with visual evidence of tank lining deteriorating and separating from the inside. This contamination clogs fuel filters repeatedly—sometimes requiring replacement after just two weeks—and destroys fuel injectors and pumps by blocking fuel flow.
The failure cascade is predictable: contaminated fuel starves the engine, triggering sudden loss of power at highway speeds (35–65 mph), rough idle, hard starts, stalling without warning, and severe hesitation that won't allow acceleration above 40 mph. Owners report repeated towing, repeated injector replacements (one bus owner replaced 16 injectors and 4 tanks in one year), and multiple fuel filter changes that temporarily fix drivability before the same symptoms return.
The tank lining—applied during manufacturing—appears to be flaking away for reasons unrelated to fuel quality. Owners using the same fuel station across multiple vehicles, including older Fords with no issues, yet experiencing this problem only on their F-550s, dispute Ford's blame of contaminated diesel. Costs exceed $2,000–$6,500 per repair, and Ford refuses to cover failures even under extended warranty, claiming contaminated fuel is the cause. TSB 19728 is mentioned in one complaint.
Same Ford F-550 fuel system reports on nearby years: 2005
Failure modes owners describe
Fuel tank interior coating delamination and corrosion
The factory-applied protective lining inside the fuel tank separates and deteriorates, sending rust, metal flakes, and paint-chip-like debris into the fuel system. Owners describe the tank interior as 'rotting,' 'rusting out,' and visibly delaminated.
When: As early as 4,000 miles; commonly between 15,000–37,000 miles; can recur after tank replacement
Symptoms owners cite: Silver or gray flakes visible in fuel filters; Rust particles in fuel filter and water separator; Fuel filter clogging weeks after replacement; Loss of power while driving at highway speeds; Sudden stalling without warning; Rough idle and hard starting; Inability to accelerate above 40 mph; Sluggish downshifting when driving uphill; Hesitation and shaking under load; Smoke from exhaust on acceleration
Repairs/costs cited: Replacement of fuel tank, fuel filters, fuel pump, fuel injectors, fuel sender unit, fuel lines, O-rings, and high-pressure fuel rail. Costs reported: $1,200–$2,105 for tank and filters; $2,500–$6,500 total repair; $5,000 for two tanks alone. One owner replaced 16 fuel injectors and 4 tanks in one year. Flushing fuel lines and sending units also required.
Recalls/TSBs owners mention: Ford denies defect; blames contaminated diesel fuel and biodiesel, despite owners using regulated fuel and the same stations as other vehicles without problems. Ford refuses warranty coverage. One mention of TSB 19728. One owner reports Ford claimed warranty repair 'as a courtesy,' then refused subsequent claims for the same failure.
Clogged fuel filters and fuel pump restriction
Contaminated fuel from tank delamination creates severe fuel flow restriction. Fuel filters become packed with debris within weeks of replacement, preventing adequate fuel delivery to the engine.
When: Recurring; filters require replacement every 2–7 days to weeks in severe cases; some owners replaced filters 7 times in a few years before finding root cause
Symptoms owners cite: Engine starvation and fuel starvation symptoms; Loss of power under acceleration; Inability to maintain highway speeds; Fuel pump failure secondary to starvation; Creases in fuel filter from fuel trying to force through clogged element; Poor fuel economy
Repairs/costs cited: Fuel filter replacement (temporary fix); fuel pump replacement ($985 estimated in one case). One owner changed fuel filters 7 times before discovering tank issue.
Fuel injector damage and failure
Metal particles and debris from tank delamination clog and damage fuel injectors, causing cylinder misfiring, loss of power, and engine shutdown. Multiple injectors fail simultaneously in many cases.
When: Early: 4,000 miles in one case; commonly following repeated fuel filter clogging episodes; can affect all injectors on one bank or multiple injectors across the engine
Symptoms owners cite: Loss of power while driving; Engine stall and shutdown; Rough running and stumbling on acceleration; Lack of fuel pressure to cylinders; Complete power loss (all injectors on right side failed in one case)
Repairs/costs cited: Replacement of individual injectors or multiple injectors ($2,000+ per replacement event). One owner replaced injectors 2, 4, 6, and 8 across multiple service visits; another replaced 16 injectors in one year. FICM (Fuel Injection Control Module) and injector wiring harness also required replacement in one case.
Fuel pump failure and low fuel pressure
Debris-induced restriction causes fuel pump overwork and failure, or simply blocks adequate fuel supply at the pump inlet. Low fuel pressure results in engine stall and loss of power.
When: Secondary to tank delamination; one owner reported pump failure 2 weeks after fuel filter replacement
Symptoms owners cite: Complete loss of power while driving; Engine stall and inability to restart; Low fuel pressure at fuel rail
Repairs/costs cited: Fuel pump replacement; costs included in overall $2,000–$6,500 repair bills
Lack of diagnostic code generation despite fuel system failure
Engine control system does not flag fuel system faults through diagnostic trouble codes (DTCs), even with severe fuel starvation and injector failure. Owners report multiple scans returning no codes, suggesting possible OBD-II system limitation or dealership diagnostic bypass.
When: Throughout failure episodes
Symptoms owners cite: Vehicle stalling and loss of power with no fault codes displayed; Multiple scans by mechanics and dealerships return no codes; Difficulty diagnosing root cause due to absence of fault codes
Repairs/costs cited: One owner suspected Ford dealership bypassed onboard diagnostics. Diagnosis required tear-down inspection of fuel tank and system components.
Water in fuel (secondary contamination)
Deteriorating tank interior allows water ingress or condensation, triggering water-in-fuel sensor warnings. One owner reported repeated water separator draining.
When: Concurrent with tank delamination
Symptoms owners cite: Water-in-fuel warning light activation; Water visible in fuel separator; Sensor resets after water separator is drained
Repairs/costs cited: Fuel water separator maintenance and sensor monitoring
Synthesized from 32 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 9 most recent
2006 Ford f550 with 33,000 miles diesel fuel tank delamination. Clogged up fuel system and was not covered under warranty by Ford. $2200 to fix so far as long as the injectors are ok. If not $5000 to fix. And who is to say I wont have this problem again. *tr
Tl* the contact owns a 2006 Ford f550. While attempting to accelerate at 65 MPH , the vehicle would not accelerate. Then smoke was expelled from the exhaust system. The vehicle was taken to a local repair facility, and the fuel pump regulator was replaced. After the repair while driving the engine would stall without warning. The vehicle was taken back to the repair facility multiple times…
Our Ford lcf has had a continual stalling problem when we drive out on the highway. Our vehicle is now three years old and everytime we go out of town we have stalling problems with the vehicle. The dealer has replaced injectors and other fuel components but nothing directly related to this problem. The last time the dealer changed the oil saying that was the problem. We had about 3000 miles…
Tsb 19728 - we own a limousine party coach on a 2006 Ford f-550 chassis and had the pleasure of experience the "fuel tank deterioration" and having a total of 16 fuel injectors and 4 gas tanks replaced in a one year period. Ford refuses to acknowledge that this is a defect in the fuel tank. There are hundreds of people experiencing the same problem throughout the country. The first time the…
Tl*the contact owns a 2006 Ford f-550. While driving 40 MPH he noticed that the vehicle suddenly shut off. The dealer informed the contact that the inside of the gas tank began deteriorating and that the entire fuel system needed to be replaced. There were no prior warnings. The current and failure mileages were 25500.
Tl* the contact owns a 2006 Ford f550. The contact stated that when driving uphill the vehicle dowhnshifts and shakes. The vehicle was taken to the dealer, in which a technician concluded that the fuel pump and injector needed to be replaced at an expense of $1800.00. No repairs have been made. The manufacturer was notified, but no assistance was provided. The failure mileage was 30,444. The…
Tl* the contact owns a 2006 Ford f550. The contact stated that when driving uphill the vehicle dowhnshifts and shakes. The vehicle was taken to the dealer, in which a technician concluded that the fuel pump and injector needed to be replaced at an expense of $1800.00. No repairs have been made. The manufacturer was notified, but no assistance was provided. The failure mileage was 30,444. The…
Tl* the contact owns a 2006 Ford f-550 sd. The contact stated that the vehicle would stall while driving at various speeds. The vehicle was taken to an authorized dealer where the contact was informed that the lining on the interior of the fuel tank was deteriorating. The vehicle was repaired. Approximately one hour later, the failure recurred. The vehicle was taken back to an authorized dealer…
Had fuel system trouble with your 2006 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 fuel system problem on the 2006 Ford F-550?
It's a documented issue but not catastrophic. 32 complaints have been filed. Repairs average $1,200 and most owners catch it before it causes a breakdown.
At what mileage does the fuel system typically fail?
Across the 28 complaints that reported odometer mileage, most fuel system failures cluster between 28,000 and 74,000 miles, with the median around 48,318. A quarter of owners report trouble before 28,000; 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 $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.
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/2006/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.