Fuel leakage from dual tanks or crossover valve/lines when full or during warm weather conditions.
The worst 1991 Ford F Super Duty problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Fuel system1
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Fuel system1
Recalls 1
Fuel system, gasoline: storage: tank assembly
- What is wrong
- A malfunctioning check valve within the fuel pump assembly causes a portion of the unused fuel from one tank to be returned to the second tank. When this occurs, the capacity of the second tank can be exceeded, causing fuel spillage.
- Risk
- Spilled fuel can result in a fire when exposed to asource of ignition.
- Remedy
- Replacement of the fuel pressure regulator and installation of redundant check valves.
Recall number 93V125000 · Recall details
See all 1 recalls for the 1991 Ford F Super Duty
Defect investigations
Ford f-series dual fuel tank leakage
These vehicles can experience fuel transfer from one tank to the other due to a malfunctioning fuel pump.from the information gathered to date, it appears that there can be multiple causes and/or a combination of causes for fuel cross flow and that the recall remedy may be inadequate.further investigation is needed.this investigation is upgraded to ea99-032.click on document search button for additional information.
RQ98008
Fuel expulsion
There is no summary currently available
EA93001
Technical service bulletins for the 1991 Ford F Super Duty 47
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Some vehicles may exhibit heater core leaks
- Information regarding transmission fluid usage charts
- Subject regarding contamination from prior transmission concerns or excess wear may be trapped in the...
- Transmission- E40D/4R100-1989-99-MAIN controls, separator plates and separator plate gaskets usage chart
- Vehicles may experience solid particle contaminants from prior transmission concerns or excess wear, may...
- Information regarding the new transmission cooler flusher- service tip
- Subject on a wire harness terminal repair kit available for repairing electrical wiring harnesses
- Information on identifying non-approved / alternate refrigerants which could cause safety, and performance...
- Information on the new flush and fill tool available through rotunda
- Experiencing a whine / buzz type noise in the speakers of the entertainment radio or two-way radio on...
What 1991 Ford F Super Duty owners say
Most recent owner complaints, unedited.
Compare the 1991 Ford F Super Duty
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Questions about the 1991 Ford F Super Duty
Is the 1991 Ford F Super Duty reliable?
Owners have filed 1 complaint about the 1991 Ford F Super Duty, fewer than a typical F Super Duty model year.
What is the most common problem with the 1991 Ford F Super Duty?
Fuel and propulsion system, with 1 complaint.
How many recalls does the 1991 Ford F Super Duty have?
1 recall, covering fuel system, gasoline.
Was there a recall on the 1991 Ford F Super Duty fuel system?
Yes, 1 recall: 93V125000. Check your VIN to see if your car still needs the free repair.
VIN decoder
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