VEHICLE BURNED UP TO FOUR QUARTS OF OIL IN BETWEEN ROUTINE OIL CHANGES. *PH THE MANUFACTURER TOLD THE CONSUMER SINCE THE MILEAGE WAS BEYOND LIMITATION OF ANY WARRANTY, THERE WAS NOTHING THEY COULD DO. *JB
1999 Isuzu Trooper
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 1999 Isuzu Trooper do not stand out strongly from the model-year median of 25.
About this comparison →How this year compares
Owner complaints by model year
Compare all Trooper years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
45 reports with mileage · 36 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Engine And Engine Cooling. Review the 56 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Power Train. Review the 8 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Vehicle Speed Control. Review the 7 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
81 reports1999 ISUZU TROOPER.. OIL CONSUMPTION LEADING TO SEVERE MOTOR DAMAGE. ( OVER A QUART PER 1,000 MILES) HAVE HEARD OF SEVERAL OF THE SAME INCIDENTS WITH OTHERS DRIVING ISUZU PRODUCTS HAVING THE SAME OUTCOME AS I. A COMPLETE MOTOR OVERHAUL WITH 64,000 MILES ON THIS TROOPER. OTHER INSTANCES WITH FEWER MILES. ISUZU IS AWARE OF THE PRO…
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1999 ISUZU TROOPER.. OIL CONSUMPTION LEADING TO SEVERE MOTOR DAMAGE. ( OVER A QUART PER 1,000 MILES) HAVE HEARD OF SEVERAL OF THE SAME INCIDENTS WITH OTHERS DRIVING ISUZU PRODUCTS HAVING THE SAME OUTCOME AS I. A COMPLETE MOTOR OVERHAUL WITH 64,000 MILES ON THIS TROOPER. OTHER INSTANCES WITH FEWER MILES. ISUZU IS AWARE OF THE PROBLEM, ONLY MANUFACTURED THIS PARTICULAR MODEL FOR TWO YEARS. ISUZU WAS NOTIFIED AND THEN IN RETURN LET MY MECHANIC KNEW WHERE TO BEGIN REPAIRS AND TO WHAT EXTENT THEY WOULD BE. I LIVE IN A VERY RUAL COMMUNITY IN MAINE AND I KNOW OF AT LEAST THREE OTHER INSTANCES WITH THE SAME OUTCOME. MORE IMPORTANTLY ISUZU DOES NOT STAND BEHIND THEIR VEHICLES EVEN WHEN THEY KNOW THERE ARE PROBLEMS. *JB
THE FRONT WINDOWS ON OUR IZUSU TROOPER (1999) BOTH DRIVER & PASSENGER HAVE JUST FALLEN INTO THE DOOR. BOTH OF THEM IN TWO YEARS WHILE DRIVING DOWN STREET. NO ONE WAS INJURED, BUT THERE IS OBVIOUSLY A DEFECT AS THE LITTLE TABS ATTACHED TO THE WINDOW INSIDE JUST BREAK AND THE WINDOW FALLS.
THE OIL LIGHT INDICATOR HAD A DELAY IN INDICATING HOW MUCH OIL WAS IN THE PAN. CONSUMER WAS OUT OF OIL, THEN THE LIGHT ILLUMINATED. DEALER HAS BEEN CONTACTED. *AK
THE VEHICLE WAS SHUT OFF IN PARK. AFTER SOME TIME THE VEHICLE ROLLED OUT OF THE PARKING GARAGE AND HIT A DRAINAGE POLL. THE CONSUMER MADE AN APPOINTMENT WITH THE DEALER FOR DIAGNOSIS AND REPAIRS. *AK
FRONT AND REAR SPEED SENSORS FOR TORQUE ON DEMAND HAVE BOTH GONE BAD WITH LESS THAN 35,000 ON THE VEHICLE. *NLM
DEFECTIVE HEAD GASKET REPLACEMENT. MR. THERE WAS A CRACK IN THE LOWER GASKET. THE MECHANIC STATED THE GASKET MAY BE DEFECTIVE AND THIS PROBLEM SHOULDN'T HAVE HAPPENED THIS EARLY. THE CONSUMER REQUESTED REIMBURSEMENT FOR THE REPAIR(S). SCC *JB
I PURCHASED MY TROOPER NEW. I HAVE ALL OF THE PRINT OUTS OF THE OIL CHANGES MADE WHICH ARE AT OR BELOW RECOMMENDED INTERVALS. AT APPROXIMATELY. 25000 MILES I REPORTED A SHIFTING PROBLEM AND THEY REPLACED THE TRANSFER CASE BECAUSE METAL FILINGS WERE FOUND IN IT. THEN 2000 MILES LATER THE PROBLEM RE-OCCURRED AND THEY REPLACED TH…
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I PURCHASED MY TROOPER NEW. I HAVE ALL OF THE PRINT OUTS OF THE OIL CHANGES MADE WHICH ARE AT OR BELOW RECOMMENDED INTERVALS. AT APPROXIMATELY. 25000 MILES I REPORTED A SHIFTING PROBLEM AND THEY REPLACED THE TRANSFER CASE BECAUSE METAL FILINGS WERE FOUND IN IT. THEN 2000 MILES LATER THE PROBLEM RE-OCCURRED AND THEY REPLACED THE ENTIRE TRANSMISSION. IT WAS BOUGHT IN BACK 500 MILES LATER FOR AND ADJUSTMENT ON THIS AGAIN. AT 40000 MILES THE CD PLAYER JAMMED AND THEY REPLACED THIS WITH A NEW ONE THAT TOOK 8 WEEKS TO RECEIVE. WE HAD FOLLOWED THE DIRECTIONS IN THE MANUAL. FOLLOWING THIS, THE CD PLAYER AGAIN JAMMED @ 51,000 MILES AND THEY REFUSED TO REPAIR IT -OUT OF WARRANTY- AT THIS POINT WE REALIZED THAT PART OF THE DIRECTIONS IN THE MANUAL WERE FAULTY. WE DID REPORT THIS TO THE DEALERSHIP TO NO AVAIL. IT IS STILL NOT FIXED BECAUSE THEY WILL NOT RELEASE THE CODE TO REPAIR IT. EACH OF THE TIMES THAT WE HAVE HAD THIS IN WHILE STILL UNDER WARRANTY, WE HAVE HAD TO COMPLAIN TO RECEIVE A RENTAL/LOANER CAR WHILE IT WAS IN FOR SEVERAL DAYS AT A TIME. THEN AT 60000, THERE IS AN EVAP. CODE THAT INDICATES THERE IS AN ISSUE WITH THE VENT VALVE AND IT IS NOT PERFORMING CORRECTLY, BUT THE DEALERSHIP HAS TOLD ME 3 DIFFERENT TIMES THAT IT HAS BEEN IN 3 DIFFERENT CAUSES. NOW AT 74,000 MILES , I HAVE JUST BEEN INFORMED THAT THE SHORT BLOCK HAS TO BE REPLACED AND THE HEADS MAY BE CRACKED. THE LAST OIL CHANGE WAS AT 71,800 MILES AND THE OIL LIGHT DID NOT COME ON. THEY CLAIM THAT THERE WAS NO OIL IN THE ENGINE BUT, THE OIL DIPSTICK SAYS THAT THERE IS A PROPER AMOUNT. THIS IS A 7400+ REPAIR. THIS IS THE 12 THE TIME THIS VEHICLE HAS BEEN IN TO THE DEALERSHIP. ALL REPAIRS HAVE BEEN DONE BY AN AUTHORIZED DEALER. *NLM
MY 1999 TROOPER THREW A ROD IN THE ENGINE. IT IS NOT DRIVABLE. I HAVE HAD THE TROOPER IN THE SHOP 3 TIMES BEFORE WITH OTHER PROBLEMS, BEFORE THE WARRANTY WAS UP. THE DEALER DID NOT WANT TO DISCUSS THE PROBLEM. IN TRYING TO FIND ANOTHER ENGINE I WAS TOLD THAT THIS WAS A COMMON PROBLEM AND THAT IT WAS VERY HARD TO FIND AN ENGIN…
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MY 1999 TROOPER THREW A ROD IN THE ENGINE. IT IS NOT DRIVABLE. I HAVE HAD THE TROOPER IN THE SHOP 3 TIMES BEFORE WITH OTHER PROBLEMS, BEFORE THE WARRANTY WAS UP. THE DEALER DID NOT WANT TO DISCUSS THE PROBLEM. IN TRYING TO FIND ANOTHER ENGINE I WAS TOLD THAT THIS WAS A COMMON PROBLEM AND THAT IT WAS VERY HARD TO FIND AN ENGINE. NO NEW ONES WERE MADE, NOR WAS A REPAIR KIT.*JB
VEHICLE HAS HAD LARGE NUMBER OF PROBLEMS WHICH LOCAL DEALER AND FACTORY REP. CANNOT IDENTIFY/FIX. AT HIGHWAY SPEEDS (AND SLOWER) CAR WILL SUDDENLY AND VIOLENTLY "SHUDDER" AS IF DYING, ONLY TO THEN RESUME SPEED AS IF NOTHING HAD HAPPENED. ALSO DIES OFTEN AT LIGHTS AND SLOW SPEEDS. DEALER/ISUZU NO HELP. LOOKS LIKE A VERY COMMO…
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VEHICLE HAS HAD LARGE NUMBER OF PROBLEMS WHICH LOCAL DEALER AND FACTORY REP. CANNOT IDENTIFY/FIX. AT HIGHWAY SPEEDS (AND SLOWER) CAR WILL SUDDENLY AND VIOLENTLY "SHUDDER" AS IF DYING, ONLY TO THEN RESUME SPEED AS IF NOTHING HAD HAPPENED. ALSO DIES OFTEN AT LIGHTS AND SLOW SPEEDS. DEALER/ISUZU NO HELP. LOOKS LIKE A VERY COMMON PROBLEM WITH THE '99 TROOPER, BASED ON OTHER COMPLAINTS...IF YOU'VE HAD SOME OF THESE 'SYMPTONS,' PLEASE EMAIL ME...PERHAPS WE CAN ASSIST EACH OTHER! EMAIL: TGMCDNLD@AOL.COM
Official recalls
0No recalls in this snapshot.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.
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