RoadVitals

1991 Toyota 4Runner Engine Problems

Owner-reported complaints naming the engine system, filed with NHTSA

Data refreshed

Engine reportsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
21
Latest Jun 24, 2007
Share of all reportsThis category as a share of every owner report on file for this model year. One report can name more than one component, so the categories overlap.
49%
of 43 total
Crash or fire reportedReports in this category whose submitter recorded that a crash or a fire occurred. The reporter's own answer on the NHTSA form, not a verified finding.
0
Injuries or deaths reportedTotals the submitters entered on their own reports in this category. Not verified by NHTSA and not a casualty statistic.
0

What this page shows

Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components. Every record below is an owner-reported complaint about the 1991 Toyota 4Runner submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 21 reports on file name it.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Owner reports naming engine

Shown in the owner’s own words, exactly as filed

Engine
Filed Jun 24, 2007

CAR OVER HEATED AND CUT OFF. NOW LEAKING WATER INTO SPARK PLUGS.*AK

NHTSA ID
10194079
Incident
Jun 13, 2007
Engine
Filed Jan 21, 2007

BLOWN HEAD GASKET, 1991 TOYOTA V6 4RUNNER, RECALLED IN 1998 FOR THE PROBLEM, CORRECTED AND GASKET FAILED AGAIN IN 2007. *NM

NHTSA ID
10179278
Incident
Jan 10, 2007
Mileage
191,680 mi
EngineOther / unspecified
Filed Aug 27, 2004

HEAD GASKET LEAK. *AK

NHTSA ID
10088704
Incident
Aug 11, 2004
Mileage
153,664 mi
Engine
Filed Jul 11, 2003

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

NHTSA ID
10017552
Incident
Apr 24, 2003
Engine
Filed Jun 27, 2003

FUEL LEAKED ONTO THE GASKET AND CAUSED A FUEL ODOR TO ENTER THE VEHICLE THROUGH THE VENTS. *NLM

NHTSA ID
10025121
Incident
Jun 27, 2003
Engine
Filed Dec 26, 2000

THERE HAD BEEN A MANUFACTURER'S RECALL OF HEAD GASKETS. CONSUMER HAD TAKEN VEHICLE TO DEALER FOR RAPAIRS, BUT DEALER WAS NOT TAKING RESPONSIBILITY FOR RECALL REPAIRS. INSTEAD DEALER WAS CHARGING CONSUMER FULL PRICE ON REPAIRS WHEN, IN OTHER SITUATIONS, DEALER WOULD NOT CHARGE FULL PRICE FOR HEAD GASKET.*AK

NHTSA ID
876974
Incident
Dec 26, 2000
Engine
Filed Jul 15, 2000

THE HEAD GASKET FAILED AT +-77,000 MILES. I REPLACED THE GASKET AND HAD THE VALVES INSPECTED AND REFINISHED AT THIS TIME. IT WAS EVIDENT THAT THERE WAS A DESIGN FLAW WITH THE WATER PORTS AT TWO CYLINDERS. SUBSEQUENTLY, TOYOTA HAD A 'VOLUNARY WARRANTY EXTENSION' CONCERNING THE HEAD GASKET FAILURES. AT +- 118,000 MILES, TOYOTA REPLACED THE HEAD GASKET, THIS TIME, AT THEIR COST. I NOW HAVE LOW COMPRESSION (FAILING VALVES OR PISTON RINGS) ON THE TWO CYLINDERS WHERE THE WATER PORT DESIGN FLAW EXISTS.*AK

NHTSA ID
725461
Incident
Jun 1, 2000
Engine
Filed Jan 11, 1999

RECEIVED RECALL A NOTICE FROM MANUFACTURER REGARDING LEAKING ENGINE HEAD GASKETS.ALSO, WAS INFORMED A PIN CAME LOOSE OUT OF WATER PUMP. NEEDED NEW WATER PUMP DUE TO NEW DESIGN OF WATER PUMP FOR TOYOTA 4 RUNNERS. RECALL NOT IN SYSTEM. *AK

NHTSA ID
833327
Incident
Dec 4, 1998
Engine
Filed Oct 22, 1998

ENGINE FAN BLEW OUT WHILE DRIVING. CONSUMER'S COMPLAINT CAME BEFORE THE INCIDENT HAS HAPPENED ON JUNE 10,1998. CONSUMER TOOK VEHICLE TO DEALER TO RESPOND TO A MANUFACTURER'S RECALL REPAIR NEEDED TO BE DONE. ALSO ALONG WITH RECALL, DEALER INFORMED CONSUMER THAT ADDITIONAL WORK NEEDED TO BE DONE WHICH COULD COST CONSUMER $400.00 MORE . CONSUMER INFORMED THAT VEHICLE WAS RUNNING FINE UNTIL SHE RESPONDED TO THAT RECALL. AFTER REPAIRS, COMSUMER HAS BEEN EXPERIENCING ALL SORTS OF PROBLEMS. DEALER/MFR NOTIFIED. *AK

NHTSA ID
829354
Incident
Oct 20, 1998
Engine
Filed Oct 7, 1998

ENGINE HEAD GASKETS FAILED WITHOUT WARNING, CREATING CONDITIONS FOR A POSSIBLE FIRE. ALSO DAMAGED CATALYTIC CONVERTER.

NHTSA ID
780978
Incident
Sep 1, 1997
EngineFuel systemTransmission
Filed Dec 4, 1997

CLUTCH ASSEMBLY FAILED TWICE. *AK

NHTSA ID
523626
Incident
Sep 1, 1997
Engine
Filed Feb 13, 1997

OWNER STATES WHILE DRIVING VEHICLE THERE IS A MISFIRE IN ENGINE; ALSO, HEARD A LOUD BOOM WHILE DRIVING, HE PULLED OVER TO FIND OUT THAT THE HEAD GASKET BLEW OUT AND THE HEAD BOLTS WERE DEFECTIVE. *AK

NHTSA ID
807143
Incident
Dec 11, 1996
Engine
Filed Feb 5, 1997

WHEN THE REAR WINDOW IS DOWN EXHAUST FUMES ENTER THE VEHICLE , CAUSING OCCUPANTS TO EXPERIENCE THE EFFECTS OF CARBON MONOXIDE.

NHTSA ID
514542
Engine
Filed Nov 12, 1996

WHILE DRIVING, SMELLED COOLANT, VEHICLE WAS SHAKING, CAUSED BY HEAD GASKET BLOWING OUT. *AK

NHTSA ID
984453
Incident
May 9, 1996
EngineTransmission
Filed Oct 18, 1996

TRANSMISSION JUMPS OUT OF FIRST GEAR INTO NEUTRAL WHEN VEHICLE IS MOVING, ALSO DEFECTIVE ENGINE HEAD CAUSED RADIATOR COOLANT TO ENTER THE CYLINDER, CAUSING ENGINE DAMAGE. *AK

NHTSA ID
509824
Incident
Jul 26, 1996
Engine
Filed Sep 11, 1996

PURCHASED TRUCK USED, THE HEAD GASKET FAILED . PLEASE DESCRIBE .*AK

NHTSA ID
802183
Engine
Filed Feb 20, 1996

BLOWN ENGINE HEAD GASKETS, CAUSED ENGINE OIL TO LEAK. TT

NHTSA ID
979368
Incident
Feb 12, 1996
Engine
Filed Jul 25, 1995

OIL PUMP FAILURE, ENGINE MALFUNCTION BECAUSE OF LACK OF LUBRICATION. TT

NHTSA ID
969384
Incident
Jul 11, 1995
Engine
Filed Apr 6, 1995

ENGINE HEAD GASKET BLEW; CAUSED BY EXCESSIVE HEAT FROM EXHAUST PIPE; HEAD BLOCK/HEAD GASKET REPLACED. TT

NHTSA ID
963282
Incident
Feb 17, 1995
Engine
Filed Mar 11, 1995

HEAD GASKET FAILED. *AW

NHTSA ID
482039
Incident
Dec 1, 1994
Engine
Filed Feb 6, 1995

CYLINDER HEAD GASKET IS DAMAGED, LEAKING COOLANT. TT

NHTSA ID
959632
Incident
Jan 14, 1995

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

Elsewhere on this vehicle

Data sources

Data on this page last refreshed .