1991 Toyota 4RUNNER engine and engine cooling problems
20 owner complaints filed with NHTSA name the engine and engine cooling on the 1991 Toyota 4RUNNER — 47% of all complaints for this model year.
What owners report
“Blown head gasket, 1991 toyota v6 4runner, recalled in 1998 for the problem, corrected and gasket failed again in 2007. *nm”
filed Jan 21, 2007
“The head gasket leaked oil. *jb the main wires on the engine shorted out with multiple electrical component failures. Over $3500 spent in repairs within 2 weeks. * cb *jb”
filed Apr 24, 2003
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Dealer package: 12/18/2018 the program details section has been updated. Special policy adjustment for 1988 - early 1990 truck & 4runner with 3vz?e v6 engines and special service campaign (v06) for 1990 - early 1995…
V06_Dealer Packa · Service Bulletin/Repair Instructions · issued Dec 18, 2018
Engine and Engine Cooling problems in other 4RUNNER years
| Year | Reports | Share |
|---|---|---|
| 2022 4RUNNER | 1 | 3% |
| 2009 4RUNNER | 2 | 9% |
| 2008 4RUNNER | 2 | 2% |
| 2007 4RUNNER | 7 | 5% |
| 2006 4RUNNER | 11 | 3% |
| 2005 4RUNNER | 6 | 1% |
| 2004 4RUNNER | 7 | 1% |
| 2003 4RUNNER | 14 | 3% |
| 2002 4RUNNER | 7 | 4% |
| 2001 4RUNNER | 5 | 3% |
| 2000 4RUNNER | 7 | 2% |
| 1999 4RUNNER | 3 | 1% |
Other reported problem areas on the 1991 Toyota 4RUNNER
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.