1991 Mercury Cougar engine and engine cooling problems
17 owner complaints filed with NHTSA name the engine and engine cooling on the 1991 Mercury Cougar — 23% of all complaints for this model year.
What owners report
“The car starts and runs well. But ever so often without any warning the engine will stall, and then it will crank right up. Lucky for me it hasn't stalled while I was making a left turn with a semi barreling down on me.”
filed Apr 22, 2004
“Vehicle was acting sluggish and white moke came form tailpipe. Vehicle was going 35mph and overheated, causing driver to pull over. Consumer indicated that continuing to drive will cause head to warp. Dealer was notified. *ak *tt”
filed Jun 28, 2002
“This is the second time it has had a blown head gasket. It is not fixed yet because I can't afford it. *nm”
filed Feb 3, 2006
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Ford motor company now recommends sae 5w-30 viscosity grade for servicing any ford gasoline-powered vehicle regardless of model year. *tt
99816 · Service Bulletin/Repair Instructions · issued May 3, 1999
Engine and Engine Cooling problems in other Cougar years
| Year | Reports | Share |
|---|---|---|
| 2002 Cougar | 11 | 12% |
| 2001 Cougar | 11 | 13% |
| 2000 Cougar | 26 | 12% |
| 1999 Cougar | 67 | 15% |
| 1997 Cougar | 30 | 39% |
| 1996 Cougar | 21 | 34% |
| 1995 Cougar | 19 | 17% |
| 1994 Cougar | 32 | 23% |
| 1993 Cougar | 105 | 54% |
| 1992 Cougar | 18 | 20% |
| 1990 Cougar | 9 | 10% |
| 1989 Cougar | 9 | 11% |
Other reported problem areas on the 1991 Mercury Cougar
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.