Duel tanks in vehicle and one tank empties into other, causing one to overflow. It's caused bya cross valve not functioning, shuting off from non operating tank. Repair cost is $800. Dealer is not authorizing repairs.
The worst 1993 Ford F-450 SD problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Engine2
- Brakes1
- Fuel system1
- Steering1
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Engine2
- Brakes1
- Fuel system1
- Steering1
Recalls 3
Vehicle speed control
- What is wrong
- Ford is recalling model years 1995-2003 windstar, 2000-2003 excursion diesel, 1993-1997 and 1999-2003 f-250 sd through f-550 sd diesel, 1992-2003 e-150 through e-550, 1995-2002 explorer, 1997 and 2002 mercury mountaineer, 1995-1997 and 2001-2003 ranger, and 1994 f53 vehicles equipped with the texas instruments speed control deactivation switch (scds). The scds may leak internally and then overheat, smoke, or burn.
- Risk
- A vehicle fire could occur with or without the engine running.
- Remedy
- Ford will notify owners that dealers will install a fused wiring harness in line with the scds. On 1999-2003 windstar vehicles with a leaking scds, dealers will also inspect the ABS control module connector and repair as necessary. Repairs will be completed free of charge. The safety recall began on october 27, 2009. Owners may contact ford at 1‑888‑222‑2751.
Recall number 09V399000 · Recall details
Vehicle speed control: cruise control
- What is wrong
- Ford is recalling 225,000 my 1992-2003 econoline, my 1993-1995 taurus sho, my 1992-1998 crown victoria, my 1993 bronco, f-series, my 1995-1997 f-series super duty stripped chassis, my 1992-1998 mercury grand marquis, and my 1992-1995 lincoln town car vehicles. The affected vehicles were previously repaired using a wiring harness that is not compatible with the vehicle circuit polarity.
- Risk
- As a result, the fuse is located in the output circuit rather than in the intended input power feed circuit, and may not offer the intended protection in the event of an electrical short to ground.
- Remedy
- Dealers will install a new wiring harness, or replace the mating electrical component. The recall began on february 18, 2008. Owners may contact ford at 1‑800‑392‑3673.
Recall number 08V051000 · Recall details
Vehicle speed control
- What is wrong
- On certain pickup trucks, passenger vehicles, sport utility vehicles, and motor homes chassis, the speed control deactivation switch may, under certain conditions, leak internally and then overheat, smoke, or burn.
- Risk
- This could result in an underhood fire.
- Remedy
- Dealers will install a fused wiring harness. Owners of the passenger cars included in this campaign will be instructed to return their vehicles to their dealers to have the speed control deactivation switch disconnected as an interim repair. As soon as repair parts are available (expected october 2007), owners will be instructed to return to the dealers for installation of a fused wiring harness. The recall began on august 13, 2007, and mailing completed by september 19, 2007. Owners may contact ford at 1‑888‑222‑2751.
Recall number 07V336000 · Recall details
See all 3 recalls for the 1993 Ford F-450 SD
Defect investigations
Dual fuel tank crossflow/leakage
On july 14, 1993 ford filed a defect information report concerning fuel tank cross flow leakage on f-series light trucks and cab chassis built from july 22, 1989 through december 17, 1992.the remedy was to replace the fuel pressure regulator and install a check valve between each fuel supply line and fuel tank (2) to repair the supply side fuel cross flow problem (recall 93v‑125).odi opened rq98-008 on may 29, 1998 because of the large number of alleged remedy failures and reports of fuel cross flow on vehicles outside of the recall population.based onthe information received from ford on august 11, september 30, and december 15, 1998, and the increasing trend of remedy failures and out of scope crossflow reports, odi opened ea99-032 on november 4, 1999.the attached engineering analysis closing report fully describes the results of this investigation and reason for closing.the subject vehicles can experience fuel transfer from one tank to the other due to malfunctions in the fuel system.when fuel is pumped or returned to the non-operating tank (cross flow), the capacity of the non-operating tank can be exceeded, causing fuel to overflow past the filler cap, creating a fire potential.
EA99032
Failure of serpentine belt
An engineering analysis closing report is included.
EA95012
Technical service bulletins for the 1993 Ford F-450 SD 1
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
What 1993 Ford F-450 SD owners say
Most recent owner complaints, unedited.
Serpentine belt continuously breaks upon starting engine due to being knocked out of alignment by adjuster, causing loss of steering/braking control.
Steering column broke while in tow. Tt
Had to replace master cylinder nine times. Tt
Serpentine belt on diesel truck comes loose and breaks at five times. Tt
Compare the 1993 Ford F-450 SD
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Questions about the 1993 Ford F-450 SD
Is the 1993 Ford F-450 SD reliable?
Owners have filed 5 complaints about the 1993 Ford F-450 SD, fewer than a typical F-450 SD model year.
What is the most common problem with the 1993 Ford F-450 SD?
Engine and cooling, with 2 complaints. Next is brakes (1).
How many recalls does the 1993 Ford F-450 SD have?
3 recalls, covering vehicle speed control.
What year does the Ford F-450 SD have bad engine?
The Ford F-450 SD model years with the most engine complaints are 2008 (39 complaints) and 2006 (10 complaints).
VIN decoder
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Buying a used 1993 Ford F-450 SD?
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Check its historyFord F-450 SD in the news
- Ford recalls 2026-2027 F-150, 2026 F-250 SD and 2026 F-350 SD and other models over hinge and attachments problem (30,123 vehicles)
- Ford recalls 2026 F-150, 2025-2026 F-250 SD and 2025-2026 F-350 SD and other models over instrument cluster/panel problem (102,159 vehicles)
- Ford recalls 2025-2027 Expedition, 2026 F-250 SD and 2026 F-350 SD and other models over exterior lighting headlights problem (41,748 vehicles)