1991 Ford L Series problems

The worst 1991 Ford L Series problems

Ranked by number of owner complaints. Mileage and cost come from what owners wrote.

• Suspension
  1

Problems by type

Tap a problem to see which part fails, at what mileage and in which other years.

• Suspension
  1

Recalls

No recalls on record for this model year.

Technical service bulletins for the 1991 Ford L Series 36

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

• Sep 20, 1999 Service bulletinInformation on identifying non-approved / alternate refrigerants which could cause safety, and performance...
• Apr 13, 1998 Service bulletinInformation on tire company telephone numbers for customer assistance
• Mar 2, 1998 Service bulletinAnnouncing the ford OEM air conditioning retrofit kit availability
• Feb 17, 1997 Service bulletinCooling system- engine cooling fan cracks at center hub
• Jan 2, 1997 Service bulletinRevised fan assemblies for premium diesel engines are now available
• Nov 18, 1996 Service bulletinWiring - electrical diode identification and service replacements
• Oct 21, 1996 Service bulletinEngine - will not accelerate above idle speed - vehicles equipped with cummins M11, N14 or detroit diesel...
• Oct 11, 1996 Service bulletinThrottle position sensor &/or idle validation switch fails, in may generate ECM service codes or...
• Mar 25, 1996 Service bulletinOn some vehicles, the back panel of the cab may crack
• Mar 25, 1996 Service bulletinSubject regarding the stoplamp diode location and replacement procedure on vehicles built since 12/90 with...

See all 36 bulletins for the 1991 Ford L Series

What 1991 Ford L Series owners say

Most recent owner complaints, unedited.

Compare the 1991 Ford L Series

Other model years

199119971998