1991 Ford F-150 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1991 Ford F-150

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1991 Ford F-150
$
685
to $
1,249
1991 Ford F-150
$
401
to $
1,025
1991 Ford F-150
$
214
to $
577
1991 Ford F-150
$
143
to $
287
1991 Ford F-150
$
179
to $
305

1991 Ford F-150 Problems

TSB For Possible Ejection of Spark Plug From Cylinder Head

There is a technical service bulletin for the V8 engines regarding a possible problem with the spark plug being ejected from the cylinder head, damaging the threads in the spark plug hole. If the vehicle is under warranty, cylinder head replacement is recommended. If the vehicle is out of warranty, Ford authorized the use of a specific thread insert to repair the head.

Exhaust Manifolds Can Crack and Cause Leak

A ticking noise may develop from the engine due to a warped exhaust manifold. Damaged exhaust manifolds will require replacement to correct this issue.

Engine Oil Pan Gasket May Leak

The engine oil pan gasket can develop a leak. Leaking oil may accumulate on the exhaust system resulting in a burning smell. Replacing the gasket should correct this leak.

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1991 Ford F-150 Questions

After replacing all ignition parts, truck still has no spark. What would be the next step? Will the crank sensor cause no spark? (1 answer)

fuel starvation both front and rear fuel pumps stop pumping fuel.Electrical prob (1 answer)

!991 5.0 f-150 2wd.Truck will start but only run for a minute or so,when I try to start again I can't hear fuel pump pressureise line.After 10 mins.or so turn the key hear fuel pump and it will start then die.It has dual tanks,also rear tank will overflow front tank,Ive replaced fuel filter,p...

Won't crank without ether. Runs slow n ruff til temp comes up then runs n starts fine unless given time to cool . Then process must be repeated. (1 answer)

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1991 Ford F-150 Recalls

Ford Extends Warranty Coverage for 1990-1993 F150-F350 Trucks Fuel Pump/Sender Assembly

Ford has extended the warranty coverage of the fuel pump and sending unit assembly in 1990-1993 F150, F250, and F350 trucks. In some trucks, the check valve may become damaged inside the fuel pump unit. This can cause fuel to travel from one tank to the other, creating an overflow condition. In the presence of an ignition source, a fuel leak may result in a fire. Dealers will repair the fuel pump and sending unit for up to 12 years or 150,000 miles from the original warranty start date.

Recall 01X001000
THIS IS NOT A SAFETY RECALL IN ACCORDANCE WITH THE SAFETY ACT. HOWEVER, IT IS DEEMED A SAFETY IMPROVEMENT CAMPAIGN BY THE AGENCY. EQUIPMENT DESCRIPTION: FORD IS REPLACING ALL FIRESTONE WILDERNESS AT 15, 16, AND 17 INCH TIRES MOUNTED ON FORD TRUCKS AND SUVS. FORD REPORTS TREAD SEPARATION ...
Ford Recalls Firestone Wilderness AT and Radial ATX Tires on Multiple Trucks and SUVs

Ford has recalled Firestone Wilderness AT and Radial ATX tires installed on multiple lines of Ford trucks from 1991 to 2000. On some tires, under extreme conditions, the tread could separate, which can cause immediate tire failure. This may lead to a loss of vehicle control, injury, and death. Dealers replaced the affected tires.

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1991 Ford F-150 Reviews

Love the truck I got 450k on mine but the brakes sucks
the only problem i have with mine is the transfer case
Amazing in the snow :D Looks good last forever easy to maintain

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