FaultScore

FaultScore report

1991 Isuzu Trooper problems

Owners have filed 71 complaints about the 1991 Isuzu Trooper with NHTSA between 1995 and 2015. The largest single group is the engine & cooling.

Not graded

Too few complaints, or too short a model run, to compare fairly.

How this is worked out

The numbers

71

Complaints

5

Crashes reported

23

Fires reported

3

Injuries reported

3 complaints report a death.

How 1991 compares with every other Isuzu Trooper

Click any bar to open that year's report.

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded

What breaks on a 1991 Isuzu Trooper

Every complaint is filed against a part. Follow any row for the complaints about that part alone.

Engine & Cooling 14 19.7%

0 crashes, 9 fires

1 crashes, 4 fires

Wheels 9 12.7%
Electrical System 7 9.9%

0 crashes, 4 fires

Fuel & Propulsion 6 8.5%

0 crashes, 2 fires

Acceleration & Cruise Control 6 8.5%

Median failure at 135,000 miles

Tires 4 5.6%

1 crashes, 0 fires

Brakes 3 4.2%

0 crashes, 1 fires

Seat Belts 2 2.8%

1 crashes, 0 fires

Lights 2 2.8%

0 crashes, 1 fires

Suspension 2 2.8%

2 crashes, 0 fires

Body & Structure 2 2.8%

0 crashes, 1 fires

Other & Unspecified 1 1.4%
Seats 1 1.4%

0 crashes, 1 fires

Exactly what failed

NHTSA files every complaint against a named sub-assembly, not just a system. This is the difference between knowing it was "the engine" and knowing which part of it — the list to hand a mechanic.

Automatic Transmission 9 22.5%
Lugs/Nuts/Bolts/Studs 8 20.0%
Gasoline 6 15.0%
Tread/Belt 4 10.0%
Engine 4 10.0%
Accelerator Pedal 3 7.5%
Wiring 3 7.5%
Fuel Pump 3 7.5%

NHTSA crash tests

The agency crash-tested this model year itself. These are its own photographs and star ratings.

These stars come from the pre-2011 crash test programme. NHTSA rebuilt the programme for the 2011 model year and states that ratings either side of that change are not comparable — so do not read these against a 2011-or-newer car's stars.

Configuration Overall Front Side Rollover
1991 Isuzu Trooper II 4-DR. 4x4

When owners complained

A spike years after the car went on sale usually means a part wearing out on schedule across the whole fleet — the kind of pattern no single owner can see from inside their own car.

Apr 1995 peak 8 Feb 2015

NHTSA investigations into the 1991 Isuzu Trooper

An investigation is the step before a recall: the agency has seen enough complaints to look into a pattern itself. An open one means it thinks something may be wrong and nothing has been fixed yet.

DP92015 Opened 30 Jul 1992 Closed 25 Nov 1992 ENGINE AND ENGINE COOLING

ENGINE COMPARTMENT FIRES

ENGINE COMPARTMENT FIRES

EA92018 Opened 2 Jun 1992 Closed 2 Apr 1993 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

HEATER CORE FAILURE

DP92005 Opened 3 Mar 1992 Closed 2 Jun 1992 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

DEFECTIVE HEATER CORES

DEFECTIVE HEATER CORES

EA91033 Opened 15 Jul 1991 Closed 28 Jul 1992 STRUCTURE

REAR DOOR HINGE SEPARATION

PE91046 Opened 19 Feb 1991 Closed 15 Jul 1991 STRUCTURE

REAR DOOR HINGE SEPARATION

Recalls on the 1991 Isuzu Trooper

A complaint is one owner's allegation. A recall is the point at which the manufacturer or a regulator agreed the defect is real and dangerous enough to fix for free — however old the car is.

Canada — Transport Canada

Canada runs its own recall programme, and its campaigns do not always mirror the American ones.

Recall 1993133 2,926 units in Canada

Powertrain

NOTE: VEHICLES EQUIPPED WITH V6 ENGINE AND AUTOMATIC TRANSMISSION. THE AUTOMATIC TRANSMISSION DIPSTICK MUST BE PROPERLY REINSTALLED AFTER CHECKING THE FLUID LEVEL. IF THE DIPSTICK IS NOT LOCKED, LEAKING AUTOMATIC TRANSMISSION FLUID MAY CONTACT THE EXHAUST MANIFOLD AND RESULT IN AN ENGINE COMPARTMENT FIRE. CORRECTION: A WARNING TAG WILL BE INSTALLED TO THE DIPSTICK CAP TO SERVE AS A REMINDER TO ALWAYS LOCK THE DIPSTICK AFTER CHECKING THE FLUID LEVEL AND NOT TO OVERFILL WITH AUTOMATIC TRANSMISSION FLUID.

Recalls cover specific build ranges, so check your own vehicle by VIN at nhtsa.gov/recalls or, in Canada, Transport Canada.

Complaints that involved harm

Reports where the owner recorded a crash, a fire, an injury or a death.

N Royalton, OH Fire

ENGINE AND ENGINE COOLING:ENGINE

VEHICLE'S ENGINE COMPARTMENT CAUGHT ON FIRE.*MR CONSUMER WAS AT A TOLL BOTH WHEN SHE NOTICED SMOKE COMING FROM THE ENGINE COMPARTMENT. SHE PULL OVER INTO THE EMPLOYEE PARKING LOT AND EXITED THE VEHICLE WITH THREE OTHER OCCUPANTS. THE FIRE WAS EXTINGUISHED BY THE FIRE DEPARTMENT. THERE WERE NO INJURIES. *PH *NLM

NHTSA complaint #10047781 — an unverified report by a vehicle owner.

University City, TX Crash 1 injured 1 killed

TIRES:TREAD/BELT

PE00 020; CONSUMER WAS TRAVELING 75MPH ON HIGHWAY AND LOST CONTROL OF VEHICLE BECAUSE REAR TIRE TREAD SEPARATED FROM TIRE, AND FLIPPED MULTIPLE TIMES. *AK DRIVER DIED FROM HEAD INJURIES, I PERSON WAS INJURED, TIRES WERE BRIDGESTONE DESERT DUELLER, SIZE P235/75R15, DOT WK13356. *SLC

NHTSA complaint #882658 — an unverified report by a vehicle owner.

Baltimore, MD Fire

POWER TRAIN:AUTOMATIC TRANSMISSION

TRANSMISSION WAS REPLACED 3 TIMES DUE TO FAILURE OR LEAKAGE AND THIS TRANSMISSION WAS SHOWING SIGNS OF SLIPPAGE AFTER DRIVING 40 MILES ON HIGHWAY. TROOPER WAS BEING OPERATED ON I-895 IN BALTIMORE AT 50 MPH WHEN SMOKE WAS SEEN IN REAR VIEW MIRROR. TROOPER WAS PULLED TO SIDE AND SON EXITED VEHICLE TO CHECK ENGINE. TROOPER IMMEDIATELY BURST INTO FLAMES RESULTING IN A TOTAL LOSS OF VEHICLE AND CONTENTS.

NHTSA complaint #736183 — an unverified report by a vehicle owner.

Dumont, NJ Fire

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

THE TROOPER HAD AN OIL LEAK AND THE ENGINE WENT ON FIRE. MY CAR IS TOTALED. I HAVE BEEN RESEARCHING AND SEE A PROBLEM WITH THIS MODEL AND YEAR. HELP! I WANT ISUZU TO PAY FOR MY LOSE EVEN IF I WAS THE SECOND OWNER OR BOB CIASULLI USED CARS FOR SELLING ME THIS CAR WHICH HAD A RECALL ON AND PUT MYSELF AND MY 5 YEAR OLD SON IN DANGER.

NHTSA complaint #720987 — an unverified report by a vehicle owner.

Midlothian, VA Fire

POWER TRAIN:AUTOMATIC TRANSMISSION

THE TRANSMISSION HAS BEEN SHIFTING ROUGH SINCE THE VEHICLE WAS PURCHASED NEW IN 1991. THE FIRST INCIDENT WAS COVERED UNDER WARRANTY AND SOME MINOR REPAIRS/ADJUSTMENTS WERE MADE BY THE DEALER. THE SECOND INCIDENT REQUIRED MORE EXTENSIVE REPAIRS TO THE TRANSMISSION AND I WAS REQUIRED TO PAY A PORTION OF THE REPAIRS SINCE THE WARRANTY HAD EXPIRED BY SOME 2-3K MILES. UPON THE THIRD INCIDENT WITH THE DRIVE TRAIN, I REQUESTED SOMEONE FROM THE MANUFACTURER TO INVESTIGATE. THEY REQUESTED THAT I KEEP A LOG FOR ABOUT TWO WEEKS OF THE CONDITIONS OCCURRING WHILE DRIVING. AFTER THIS PERIOD, THEY FELT THE PROBLEM WAS IN THE UNIVERSAL JOINTS. THESE WERE REPLACED AND THE PROBLEM STILL EXISTS. OTHER COMPLAINTS IN THE DRIVE TRAIN INVOLVE THE INABILITY OF THE CRUISE CONTROL TO MAINTAIN SPEED ON SLIGHT INCLINES AND WOULD SUFFER A GREAT REDUCTION IN SPEED ON A MODERATE TO STEEP INCLINE. WITH REGARDS TO THE FUEL INJECTION SYSTEM, A FUEL INJECTOR PLUG EXPLODED WHILE DRIVING AT HIGHWAY SPEEDS AND ERUPTED IN A FIRE THAT SELF-EXTINGUSHED. THE DEALER WAS INFORMED THE REPLACEMENT PART WAS NO LONGER AVAILABLE EVEN THOUGH THE VEHICLE WAS ONLY 7 YEARS OLD AT THE TIME. I PROCEEDED TO AN INDEPENDENT MECHANIC WHO WAS ABLE TO USE A GM PART (I FOUND OUT THAT THE DRIVE TRAIN AND ENGINE ARE ACTUALLY MADE IN WHOLE OR IN PART BY GM EVEN THOUGH MY VEHICLE IS AN ISUZU). THERE WAS A SECOND INCIDENT IDETICAL TO THE FIRST AND THE REPAIRS WERE AGAIN MADE. I HAD THE DEALER CONDUCT AN INVESTIGATION TO DETERMINE THE CAUSE OF THIS FAILURE. THEY WER ONLY ABLE TO DETERMINE THAT THE THERMOSTAT WAS NOT OPERATING AT FULL CAPACITY, BUT COULD NOT SAY THIS WAS THE CAUSE OF THE INJECTOR FAILURES.

NHTSA complaint #711963 — an unverified report by a vehicle owner.

Midlothian, VA Fire

FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

THE TRANSMISSION HAS BEEN SHIFTING ROUGH SINCE THE VEHICLE WAS PURCHASED NEW IN 1991. THE FIRST INCIDENT WAS COVERED UNDER WARRANTY AND SOME MINOR REPAIRS/ADJUSTMENTS WERE MADE BY THE DEALER. THE SECOND INCIDENT REQUIRED MORE EXTENSIVE REPAIRS TO THE TRANSMISSION AND I WAS REQUIRED TO PAY A PORTION OF THE REPAIRS SINCE THE WARRANTY HAD EXPIRED BY SOME 2-3K MILES. UPON THE THIRD INCIDENT WITH THE DRIVE TRAIN, I REQUESTED SOMEONE FROM THE MANUFACTURER TO INVESTIGATE. THEY REQUESTED THAT I KEEP A LOG FOR ABOUT TWO WEEKS OF THE CONDITIONS OCCURRING WHILE DRIVING. AFTER THIS PERIOD, THEY FELT THE PROBLEM WAS IN THE UNIVERSAL JOINTS. THESE WERE REPLACED AND THE PROBLEM STILL EXISTS. OTHER COMPLAINTS IN THE DRIVE TRAIN INVOLVE THE INABILITY OF THE CRUISE CONTROL TO MAINTAIN SPEED ON SLIGHT INCLINES AND WOULD SUFFER A GREAT REDUCTION IN SPEED ON A MODERATE TO STEEP INCLINE. WITH REGARDS TO THE FUEL INJECTION SYSTEM, A FUEL INJECTOR PLUG EXPLODED WHILE DRIVING AT HIGHWAY SPEEDS AND ERUPTED IN A FIRE THAT SELF-EXTINGUSHED. THE DEALER WAS INFORMED THE REPLACEMENT PART WAS NO LONGER AVAILABLE EVEN THOUGH THE VEHICLE WAS ONLY 7 YEARS OLD AT THE TIME. I PROCEEDED TO AN INDEPENDENT MECHANIC WHO WAS ABLE TO USE A GM PART (I FOUND OUT THAT THE DRIVE TRAIN AND ENGINE ARE ACTUALLY MADE IN WHOLE OR IN PART BY GM EVEN THOUGH MY VEHICLE IS AN ISUZU). THERE WAS A SECOND INCIDENT IDETICAL TO THE FIRST AND THE REPAIRS WERE AGAIN MADE. I HAD THE DEALER CONDUCT AN INVESTIGATION TO DETERMINE THE CAUSE OF THIS FAILURE. THEY WER ONLY ABLE TO DETERMINE THAT THE THERMOSTAT WAS NOT OPERATING AT FULL CAPACITY, BUT COULD NOT SAY THIS WAS THE CAUSE OF THE INJECTOR FAILURES.

NHTSA complaint #711963 — an unverified report by a vehicle owner.

The most recent complaints

In the owners' own words, exactly as filed with NHTSA.

at 135,000 miles Oakland, CA

VEHICLE SPEED CONTROL

TL* THE CONTACT OWNS A 1991 ISUZU TROOPER. THE CONTACT STATED THAT THE ACCELERATOR CABLE WAS STUCK WHICH CAUSED THE ACCELERATOR PEDAL NOT TO RELEASE. THE FAILURE WAS PROGRESSING MORE FREQUENTLY. THE CONTACT STATED THAT THE ENGINE SPEED WOULD NOT IMMEDIATELY DECREASE UPON THE RELEASE OF THE ACCELERATOR PEDAL AND THE VEHICLE WAS PULLED OVER TO ADJUST THE PEDAL; HOWEVER, THE FAILURE RECURRED INTERMITTENTLY. THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 04V199000 (VEHICLE SPEED CONTROL). THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 135,000. UPDATED 5/29/15

NHTSA complaint #10683039 — an unverified report by a vehicle owner.

at 135,000 miles Oakland, CA

VEHICLE SPEED CONTROL:ACCELERATOR PEDAL

TL* THE CONTACT OWNS A 1991 ISUZU TROOPER. THE CONTACT STATED THAT THE ACCELERATOR CABLE WAS STUCK WHICH CAUSED THE ACCELERATOR PEDAL NOT TO RELEASE. THE FAILURE WAS PROGRESSING MORE FREQUENTLY. THE CONTACT STATED THAT THE ENGINE SPEED WOULD NOT IMMEDIATELY DECREASE UPON THE RELEASE OF THE ACCELERATOR PEDAL AND THE VEHICLE WAS PULLED OVER TO ADJUST THE PEDAL; HOWEVER, THE FAILURE RECURRED INTERMITTENTLY. THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 04V199000 (VEHICLE SPEED CONTROL). THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 135,000. UPDATED 5/29/15

NHTSA complaint #10683039 — an unverified report by a vehicle owner.

Springboro, OH

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS

WHILE APPLYING THE BRAKE PEDAL CONSUMER HEARD A LOUD SQUEAKING NOISE AND VEHICLE VIBRATED UNCONTROLLABLY. VEHICLE WAS TAKEN TO THE DEALER FOR INSPECTION, AND MECHANIC DETERMINED THAT THE BRAKE PADS NEEDED TO BE REPLACED. ALSO, CONSUMER NOTICED THAT WHILE APPLYING THE ACCELERATOR PEDAL VEHICLE FAILED TO MOVE AND THE ACCELERATOR PEDAL STUCK.

NHTSA complaint #10101401 — an unverified report by a vehicle owner.

Springboro, OH

VEHICLE SPEED CONTROL:ACCELERATOR PEDAL

WHILE APPLYING THE BRAKE PEDAL CONSUMER HEARD A LOUD SQUEAKING NOISE AND VEHICLE VIBRATED UNCONTROLLABLY. VEHICLE WAS TAKEN TO THE DEALER FOR INSPECTION, AND MECHANIC DETERMINED THAT THE BRAKE PADS NEEDED TO BE REPLACED. ALSO, CONSUMER NOTICED THAT WHILE APPLYING THE ACCELERATOR PEDAL VEHICLE FAILED TO MOVE AND THE ACCELERATOR PEDAL STUCK.

NHTSA complaint #10101401 — an unverified report by a vehicle owner.

Savage, MD

VEHICLE SPEED CONTROL

INTERMITTENTLY WHILE DRIVING BETWEEN 50 TO 60 MPH AND SHIFTING FROM LOWER TO HIGHER LEVER GEAR VEHICLE EXPERIENCE SUDDEN ACCELERATION.

NHTSA complaint #10072032 — an unverified report by a vehicle owner.

N Royalton, OH Fire

ENGINE AND ENGINE COOLING:ENGINE

VEHICLE'S ENGINE COMPARTMENT CAUGHT ON FIRE.*MR CONSUMER WAS AT A TOLL BOTH WHEN SHE NOTICED SMOKE COMING FROM THE ENGINE COMPARTMENT. SHE PULL OVER INTO THE EMPLOYEE PARKING LOT AND EXITED THE VEHICLE WITH THREE OTHER OCCUPANTS. THE FIRE WAS EXTINGUISHED BY THE FIRE DEPARTMENT. THERE WERE NO INJURIES. *PH *NLM

NHTSA complaint #10047781 — an unverified report by a vehicle owner.

Albany, GA

POWER TRAIN:AUTOMATIC TRANSMISSION

THERE WAS A RECALL REGARDING THE AUTOMATIC TRANSMISSION, HOWEVER CONSUMER WAS INFORMED VEHICLE WAS NOT INCLUDED DUE TO THE VEHICLE IDENTIFICATION NUMBER.

NHTSA complaint #10006794 — an unverified report by a vehicle owner.

Cordova, MD

POWER TRAIN:AUTOMATIC TRANSMISSION

NO SUMMARY LISTED FOR ABOVE VEHICLE.

NHTSA complaint #763124 — an unverified report by a vehicle owner.

Hollywood, MD

TIRES:TREAD/BELT

ORIGINAL EQUIPMENT ON 1991, TROOPER, P235/75R15 SIZE. TREAD ON LEFT REAR TIRE SEPARATED AT HIGHWAY SPEEDS. *AK CONSUMER STATES VIBRATION STARTED AT 40 MPH AND THE FAILURE WAS SUDDEN, BRIDGESTONE DESERT DUELER TIRE. *SLC

NHTSA complaint #893441 — an unverified report by a vehicle owner.

University City, TX Crash 1 injured 1 killed

TIRES:TREAD/BELT

PE00 020; CONSUMER WAS TRAVELING 75MPH ON HIGHWAY AND LOST CONTROL OF VEHICLE BECAUSE REAR TIRE TREAD SEPARATED FROM TIRE, AND FLIPPED MULTIPLE TIMES. *AK DRIVER DIED FROM HEAD INJURIES, I PERSON WAS INJURED, TIRES WERE BRIDGESTONE DESERT DUELLER, SIZE P235/75R15, DOT WK13356. *SLC

NHTSA complaint #882658 — an unverified report by a vehicle owner.

Baltimore, MD Fire

POWER TRAIN:AUTOMATIC TRANSMISSION

TRANSMISSION WAS REPLACED 3 TIMES DUE TO FAILURE OR LEAKAGE AND THIS TRANSMISSION WAS SHOWING SIGNS OF SLIPPAGE AFTER DRIVING 40 MILES ON HIGHWAY. TROOPER WAS BEING OPERATED ON I-895 IN BALTIMORE AT 50 MPH WHEN SMOKE WAS SEEN IN REAR VIEW MIRROR. TROOPER WAS PULLED TO SIDE AND SON EXITED VEHICLE TO CHECK ENGINE. TROOPER IMMEDIATELY BURST INTO FLAMES RESULTING IN A TOTAL LOSS OF VEHICLE AND CONTENTS.

NHTSA complaint #736183 — an unverified report by a vehicle owner.

West Palm Beach, FL

TIRES:TREAD/BELT

TIRE TREAD SEPARATED, FIRESTONE STYLE. SAME THING HAPPENED A COUPLE YEARS AGO WITH THE SAME TIRE TYPE ON THE SAME CAR. (DOT NUMBER: HYHLF75195 TIRESIZE: 23575R15)

NHTSA complaint #733719 — an unverified report by a vehicle owner.

SAN Francisco, CA

TIRES:TREAD/BELT

WHILE DRIVING COULD HEAR NOISE COMING FROM REAR LEFT TIRE WHERE TREAD HAD SEPARATED. THEN, PULLED TO THE SIDE OF ROAD AND TIRE STILL HAD AIR IN IT.

NHTSA complaint #866900 — an unverified report by a vehicle owner.

SO Setauket, NY

ENGINE AND ENGINE COOLING:COOLING SYSTEM

NO SUMMARY LISTED FOR ABOVE VEHICLE.

NHTSA complaint #724513 — an unverified report by a vehicle owner.

Charleston, SC

POWER TRAIN:MANUAL TRANSMISSION

TRANSMISSION ENGINE CYLINDER (4TH CYLINDER) FAILED. NLM

NHTSA complaint #784657 — an unverified report by a vehicle owner.

Dumont, NJ Fire

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

THE TROOPER HAD AN OIL LEAK AND THE ENGINE WENT ON FIRE. MY CAR IS TOTALED. I HAVE BEEN RESEARCHING AND SEE A PROBLEM WITH THIS MODEL AND YEAR. HELP! I WANT ISUZU TO PAY FOR MY LOSE EVEN IF I WAS THE SECOND OWNER OR BOB CIASULLI USED CARS FOR SELLING ME THIS CAR WHICH HAD A RECALL ON AND PUT MYSELF AND MY 5 YEAR OLD SON IN DANGER.

NHTSA complaint #720987 — an unverified report by a vehicle owner.

Midlothian, VA Fire

POWER TRAIN:AUTOMATIC TRANSMISSION

THE TRANSMISSION HAS BEEN SHIFTING ROUGH SINCE THE VEHICLE WAS PURCHASED NEW IN 1991. THE FIRST INCIDENT WAS COVERED UNDER WARRANTY AND SOME MINOR REPAIRS/ADJUSTMENTS WERE MADE BY THE DEALER. THE SECOND INCIDENT REQUIRED MORE EXTENSIVE REPAIRS TO THE TRANSMISSION AND I WAS REQUIRED TO PAY A PORTION OF THE REPAIRS SINCE THE WARRANTY HAD EXPIRED BY SOME 2-3K MILES. UPON THE THIRD INCIDENT WITH THE DRIVE TRAIN, I REQUESTED SOMEONE FROM THE MANUFACTURER TO INVESTIGATE. THEY REQUESTED THAT I KEEP A LOG FOR ABOUT TWO WEEKS OF THE CONDITIONS OCCURRING WHILE DRIVING. AFTER THIS PERIOD, THEY FELT THE PROBLEM WAS IN THE UNIVERSAL JOINTS. THESE WERE REPLACED AND THE PROBLEM STILL EXISTS. OTHER COMPLAINTS IN THE DRIVE TRAIN INVOLVE THE INABILITY OF THE CRUISE CONTROL TO MAINTAIN SPEED ON SLIGHT INCLINES AND WOULD SUFFER A GREAT REDUCTION IN SPEED ON A MODERATE TO STEEP INCLINE. WITH REGARDS TO THE FUEL INJECTION SYSTEM, A FUEL INJECTOR PLUG EXPLODED WHILE DRIVING AT HIGHWAY SPEEDS AND ERUPTED IN A FIRE THAT SELF-EXTINGUSHED. THE DEALER WAS INFORMED THE REPLACEMENT PART WAS NO LONGER AVAILABLE EVEN THOUGH THE VEHICLE WAS ONLY 7 YEARS OLD AT THE TIME. I PROCEEDED TO AN INDEPENDENT MECHANIC WHO WAS ABLE TO USE A GM PART (I FOUND OUT THAT THE DRIVE TRAIN AND ENGINE ARE ACTUALLY MADE IN WHOLE OR IN PART BY GM EVEN THOUGH MY VEHICLE IS AN ISUZU). THERE WAS A SECOND INCIDENT IDETICAL TO THE FIRST AND THE REPAIRS WERE AGAIN MADE. I HAD THE DEALER CONDUCT AN INVESTIGATION TO DETERMINE THE CAUSE OF THIS FAILURE. THEY WER ONLY ABLE TO DETERMINE THAT THE THERMOSTAT WAS NOT OPERATING AT FULL CAPACITY, BUT COULD NOT SAY THIS WAS THE CAUSE OF THE INJECTOR FAILURES.

NHTSA complaint #711963 — an unverified report by a vehicle owner.

Midlothian, VA Fire

FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

THE TRANSMISSION HAS BEEN SHIFTING ROUGH SINCE THE VEHICLE WAS PURCHASED NEW IN 1991. THE FIRST INCIDENT WAS COVERED UNDER WARRANTY AND SOME MINOR REPAIRS/ADJUSTMENTS WERE MADE BY THE DEALER. THE SECOND INCIDENT REQUIRED MORE EXTENSIVE REPAIRS TO THE TRANSMISSION AND I WAS REQUIRED TO PAY A PORTION OF THE REPAIRS SINCE THE WARRANTY HAD EXPIRED BY SOME 2-3K MILES. UPON THE THIRD INCIDENT WITH THE DRIVE TRAIN, I REQUESTED SOMEONE FROM THE MANUFACTURER TO INVESTIGATE. THEY REQUESTED THAT I KEEP A LOG FOR ABOUT TWO WEEKS OF THE CONDITIONS OCCURRING WHILE DRIVING. AFTER THIS PERIOD, THEY FELT THE PROBLEM WAS IN THE UNIVERSAL JOINTS. THESE WERE REPLACED AND THE PROBLEM STILL EXISTS. OTHER COMPLAINTS IN THE DRIVE TRAIN INVOLVE THE INABILITY OF THE CRUISE CONTROL TO MAINTAIN SPEED ON SLIGHT INCLINES AND WOULD SUFFER A GREAT REDUCTION IN SPEED ON A MODERATE TO STEEP INCLINE. WITH REGARDS TO THE FUEL INJECTION SYSTEM, A FUEL INJECTOR PLUG EXPLODED WHILE DRIVING AT HIGHWAY SPEEDS AND ERUPTED IN A FIRE THAT SELF-EXTINGUSHED. THE DEALER WAS INFORMED THE REPLACEMENT PART WAS NO LONGER AVAILABLE EVEN THOUGH THE VEHICLE WAS ONLY 7 YEARS OLD AT THE TIME. I PROCEEDED TO AN INDEPENDENT MECHANIC WHO WAS ABLE TO USE A GM PART (I FOUND OUT THAT THE DRIVE TRAIN AND ENGINE ARE ACTUALLY MADE IN WHOLE OR IN PART BY GM EVEN THOUGH MY VEHICLE IS AN ISUZU). THERE WAS A SECOND INCIDENT IDETICAL TO THE FIRST AND THE REPAIRS WERE AGAIN MADE. I HAD THE DEALER CONDUCT AN INVESTIGATION TO DETERMINE THE CAUSE OF THIS FAILURE. THEY WER ONLY ABLE TO DETERMINE THAT THE THERMOSTAT WAS NOT OPERATING AT FULL CAPACITY, BUT COULD NOT SAY THIS WAS THE CAUSE OF THE INJECTOR FAILURES.

NHTSA complaint #711963 — an unverified report by a vehicle owner.

LOS Angele, CA Fire

POWER TRAIN:AUTOMATIC TRANSMISSION

TRANSMISSION FLUID LEAKING OUT THROUGH THE MEASURING DIPSTICK AND OVER THE ENGINE, CAUSING VEHICLE TO CATCH FIRE, RESULTING IN EXPLOSION AND MAJOR PROPERTY DAMAGE, PRIOR TO RECALL NOTICE (90V167000).

NHTSA complaint #547201 — an unverified report by a vehicle owner.

LOS Angeles, CA Fire

ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH

I HAVE HAD A HISTORY (DOCUMENTED) OF ELECTRICAL/TRANSMISSION PROBLEMS WITH MY 1991 ISUZU TROOPER. ON 11/95, A FAULTY COMPUTER CONTROL PANEL CAUSED MY TRANSMISSION TO FAIL. I HAD A WEEK LEFT ON MY POWERTRAIN WARRANTY. TOOK THE VEHICLE TO ISUZU SANTA MONICA. THEY REPLACED THE COMPUTER PANEL UNDER WARRANTY ON 11/95. 15 MONTHS LATER, MY TRANSMISSION WAS FAILING AGAIN. SAME SYMPTOMS. THIS TIME, I SPENT $2,000 TO HAVE IT REPAIRED. ISUZU REFUSED TO TAKE RESPONSIBILITY. ON 6/12/99, WITHOUT WARNING, THE ENGINE STARTED SMOKING AND WITHIN SECONDS THE ENTIRE ENGINE WAS ON FIRE. THE FIRE DEPT. CAME AND PUT OUT THE FIRE. NOW THE TRUCK IS COMPLETELY TOTALED. I AM IN THE MIDST OF HAVING INSURANCE INSPECTORS DETERMINE THE CAUSE OF FIRE. I HAVE ALL OF MY SERVICE RECORDS FOR THE VEHICLE. IT WAS KEPT IN EXCELLENT CONDITION.

NHTSA complaint #707676 — an unverified report by a vehicle owner.

LOS Angeles, CA Fire 1 injured

ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD

I JUST EXITED THE HOLLYWOOD FREEWAY WHEN SUDDENLY WITHOUT WARNING THE 1991 ISUZU TROOPER CAUGHT ON FIRE. I WAS ABLE TO GET TO THE SIDE OF THE ROAD, AND GET OUT.THE FIRE APPEARED TO BE UNDERNEATH THE TRUCK WITH GAS OR SOME OTHER LIQUID POURING OUT. THE PASSENGER SIDE FRONT TIRE MELTED AND EXPLODED, THEN THERE WAS A SECOND EXPLOSION. ALL THE PARTS OF THE ENGINE, BATTERY ETC. WERE IN FLAMES. TWO FIRE TRUCKS AND POLICE CARS WERE DIPATCHED. IT WAS A VERY BIG BLAZE. THE TRUCK HAS BEEN DECLARED A TOTAL LOSS. OUR INSURANCE COMPNAY CANNOT DETERMINE WHAT CAUSED THE FIRE SINCE THE DAMAGE IS SO EXTENSIVE. PLEASE HELP. I AM NOT SURE HOW TO PROCEED. I'D LIKE TO WARN OTHER OWNERS OF THIS VEHICLE AND CONTACT ISUZU. SO FAR, THEY HAVE NOT RETURNED MY PHONE CALLS.

NHTSA complaint #707651 — an unverified report by a vehicle owner.

Willids, CA Crash

POWER TRAIN:AUTOMATIC TRANSMISSION:PARK/NEUTRAL START INTERLOCK SWITCH

CONSUMER DROVE VEHICLE INTO DRIVEWAY. THEN MOVED TRANSMISSION INTO WHAT HE THOUGHT WAS PARK, LOCKED IGNITION AND TOOK KEY OUT. WHEN HE WALKED AWAY VEHICLE ROLLED BACKWARDS, RESULTING IN A CRASH. PHONED ISUZU AND WAS TOLD THAT THEY DID NOT INSTALL AN IGNITION INTERLOCK DEVICE. OWNER BELIEVES THIS IS A NECESSARY SAFETY DEVICE.

NHTSA complaint #837592 — an unverified report by a vehicle owner.

Jacksonvil, FL

EXTERIOR LIGHTING:HEADLIGHTS:SWITCH

HEADLIGHT SWITCH SHORTS HOURS AFTER TURNING LIGHTS OFF CAUSING SIDE LIGHTS TO COME ON IN MIDDLE OF NIGHT.

NHTSA complaint #540483 — an unverified report by a vehicle owner.

Fort Bragg, NC

ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS

ENGINE OIL COOLER HOSE TOUCHED EXHAUST MANIFOLD AND MELTED HOSE.

NHTSA complaint #702034 — an unverified report by a vehicle owner.

Quincy, MA Crash 1 killed

SEAT BELTS:FRONT:BUCKLE ASSEMBLY

THE 1991 TROOPER HAD SEATBELT LATCHES RAISED OFF THE SEAT (FOR CONVENIENCE OF SECURING) HOWEVER THIS FURTHER EXPOSED THE RELEASE BUTTON, WHICH HAD NO COVER. LATER MODELS LOWERED THE LATCH, MAKING IT MORE DIFFICULT TO SECURE, BUT ALSO MAKING IT LESS LIKELY TO BE ACCIDENTLY RELEASED (BY THE PASSENGER OR FOREIGN OBJECT) AT IMPACT. PLEASE INVESTIGATE, BECAUSE IT MAY HAVE RESULTED IN MY WIFE'S DEATH. THANK YOU. JOHN M. RICCI (617)308-4833

NHTSA complaint #701370 — an unverified report by a vehicle owner.