RoadVitals

1989 Isuzu I Mark Owner Complaints

Reports submitted to NHTSA by owners and drivers, shown in full

Data refreshed

Complaints on fileComplaints 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.
10
Latest Nov 21, 2002
Crash or fire reportedComplaints whose submitter recorded that a crash or a fire occurred. These are the reporter's own answers on the NHTSA form, not verified findings.
0
Filed in the last 12 monthsReports filed with NHTSA in the trailing 365 days. Recent volume reflects attention and vehicle age as much as anything else.
0
Reports on file since Sep 13, 1995

What this page shows

Our database holds 10 NHTSA owner-reported complaints for the 1989 Isuzu I Mark. Each one is a report filed by an owner or driver and published by NHTSA without most of them being verified. A complaint is not a confirmed defect, not a recall and not a manufacturer bulletin. Narratives are shown exactly as filed.

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

Complaints, most recent first

Showing 1–10 of 10

Electrical
Filed Nov 21, 2002

THE ECU HAS CAUSED ERRATIC ENGINE BEHAVIOUR AND COMPLETE ENGINE FAILURE LEAVING US STRANDED ON NUMEROUS OCCASIONS. MECHANICS HAVE BEEN UNABLE TO RESOLVE THE ISSUE AND THE VEHICLE HAS BEEN UNTRUSTWORTHY OVER IT'S ENTIRE LIFE. MANY TIMES THE IGNITION SYSTEM HAS FAILED IN TRAFFIC WITH OUR BABIES IN THE CAR LEAVING US STRANDED IN THE HEAT. THIS UNIT SHOULD BE RECALLED. IT WOULD BE NICE TO HAVE SOME OF THE HUNDREDS SPENT ON MIS-DIAGNOSIS, MOTEL BILL'S AND TOWING SERVICE, ETC. REIMBURSED BY GM/DELCO -ISUZU. PLEASE CONTACT ME IF NECESSARY. DT

NHTSA ID
769977
Incident
Jul 15, 1991
Driver assistanceEngine
Filed Mar 5, 2002

ERRATIC IDLE, IDLE REVVING AND DROPPING, IDLE DIPPING OFTEN WITH ENGINE DYING, IDLE HANGING HIGH ABOVE 2,000 RPM, AND ENGINE DYING OR STALLING FOR NO REASON WITH NO TROUBLE CODES

NHTSA ID
758960
Incident
Mar 18, 2001
Electrical
Filed Mar 5, 2001

THE COMPUTER IN THIS CAR CAUSES FOR AN EXTREMELY ERRATIC IDLE. WHEN THE VEHICLE IS FIRST TURNED ON, THE IDLE SPEED IS NORMAL AND STEADY FOR ABOUT 5 TO 10 SECONDS, AND THEN ALL BETS ARE OFF. SOMETIMES IT GOES UP, SOMETIMES IT GOES DOWN, RANGING ANYWHERE FROM NEAR-STALL TO 3000 RPM. IT DOES THIS EVERY TIME THE CAR IS TURNED ON WHEN COLD, ONLY OCCASIONALLY AFTER IT IS WARMED UP. I WOULD TRY REPAIRING IT, BUT I HAVE A GREAT DEAL OF EXPERIENCE WITH THIS ENGINE/ECU COMBINATION, AND ALMOST ALL OF THEM (INCLUDING DEALER-SUPPLIED REPLACEMENT ECUS, WHICH ARE FRIGHTFULLY EXPENSIVE) DO THIS. THANKFULLY, I AM AWARE OF THIS PROBLEM, SO WHEN I AM IN CLOSE QUARTERS WITH A COLD ENGINE, I KEEP MY FOOT ON THE CLUTCH, READY TO SPRING INTO ACTION. THE CAR, DESPITE IT'S MILEAGE, HAS BEEN VERY WELL-TAKEN CARE OF, AND HAS A GREAT DEAL OF POWER. ONE TIME WHEN THE POWER HIT (IN FIRST GEAR, COASTING WITH MY FOOT OFF THE GAS), IT ACTUALLY SPUN THE TIRES. SPINNING THE TIRES WITH YOUR FOOT OFF THE GAS IS NOT WHAT I WOULD CALL A SAFE CONDITION, ESPECIALLY GIVEN THAT MOST OF THEM DO IT. WEREN'T ALL THE AUDIS RECALLED FOR SOMETHING LIKE THIS BACK IN THE 80'S? PLEASE CONTACT ME IF YOU WOULD LIKE ANY MORE INFORMATION.*AK

NHTSA ID
741920
Incident
Mar 5, 2001
ElectricalEngine
Filed Feb 26, 2001

ECU HAS FAILED, CAUSING ERRACTIC IDLE/ VEHICLES STALLING. PLEASE PROVIDE FURTHER INFORMATION. *AK

NHTSA ID
881392
Filed Apr 9, 2000

THE FIRST ECU FAILURE OCCURRED UNDER WARRANTY AND CAUSED THE CAR TO BARELY RUN. IT WAS REPLACED BY JOHN KRAFT CHEVROLET (THEY NO LONGER SELL ISUZU'S). DURING THE PAST 3 YRS/30000 MI I HAVE EXPERIENCED ALL OF THE FOLLOWING: ERRATIC IDLE, IDLE REVVING AND DROPPING (MOST COMMON), IDLE HANGING HIGH ABOVE 2000 RPM, AND LAST BUT CERTAINLY NOT LEAST, IDLE DROPPING WITH CAR OFTEN STALLING. THIS HAPPENS WHEN THE CLUTCH IS DEPRESSED FOR A STOP. THE CAR SEEMS TO PICK BUSY INTERSECTIONS TO STALL. THERE IS A PROBLEM WITH THE AC DELCO ECU USED IN THIS CAR. AC DELCO USED AN INSULATIVE SPRAY ON THE CIRCUIT BOARDS WHICH SHRINKS OVER TIME WHEN EXPOSED TO WARM AND COLD TEMPS. THE SHRINKING INSULATIVE SPRAY CONTRACTS AND PULLS THE ELECTRONIC COMPONENTS FROM THE CIRCUIT BOARD, BREAKING SOLDER CONNECTIONS AND CAUSING SHORTS. GM KNOWS ABOUT THIS FAULT AND HAS SINCE 1996 USED A DIFFERENT SPRAY ON THEIR ECU'S. ISUZU HAS REFUSED TO RECOGNIZE ANY PROBLEM AT ALL. I FEEL VEHICLES EQUIPPED WITH THESE DEFECTIVE ECU'S SHOULD BE RECALLED AND THE DEFECTIVE PARTS REPLACED. MY CAR DYING IN THE MIDDLE OF TRAFFIC POSES A SIGNIFICANT SAFETY RISK TO MY FAMILY AND TO OTHERS AND GM/ISUZU SHOULD REPLACE THEIR DEFECTIVE ECU'S.

NHTSA ID
721203
Filed Oct 24, 1999

NO SUMMARY LISTE DFOR ABOVE VEHICLE. *AK

NHTSA ID
713761
Incident
Oct 20, 1999
Powertrain (other)
Filed Jul 13, 1999

NO SUMMARY LISTED FOR ABOVE VEHICLE. *AK

NHTSA ID
708590
Driver assistanceElectrical
Filed Jul 7, 1999

ENGINE REVS UP TO 2500 RPMS WHILE IN NEUTRAL, THEN WHEN IT'S PUT INTO GEAR IT WILL STALL OUT. MECHANIC SAYS ITS THE ECU. PROBLEM IS HARD TO DUPLICATE. *AK

NHTSA ID
841753
Seat belts
Filed Oct 5, 1995

REAR SEAT BELTS HAVE FAILED, SEAT BELTS WILL NOT RETRACT FROM ITS POSITION, BOTH SEAT BELT NEEDS REPLACEMENT. TT

NHTSA ID
973022
Incident
Oct 5, 1995
Brakes
Filed Sep 13, 1995

THE FRONT BRAKE PADS WHEN CHANGED LATER THEY COME OFF IN A YEAR DIFFERENT . TT

NHTSA ID
971993

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.

Data sources

Data on this page last refreshed .