- The problem
- The weld on the receiver unit of the trailer hitch can break.
- The risk
- If the failure occurs, the trailer can separate from thetowing vehicle, and could result in a vehicle crash without warning.
- The fix
- REPLACE THE TRAILER HITCH.
Vehicle safety record
1990 Isuzu Trooper Problems, complaints & recalls
Owners have filed 28 complaints about the 1990 Isuzu Trooper with NHTSA, most often about the engine & cooling (7) and the transmission & drivetrain (6). Those complaints describe 4 crashes, 5 fires and 6 injuries. It is covered by 3 recalls, the latest in July 1993 for the trailer hitches. For comparison, the 1989 has 16 and the 1991 has 58.
NHTSA data checked
DMore problems than a typical Trooper year, for its age
#65 most complained-about 1990 vehicle
- Complaints
- 28
- Recalls
- 3
- Crashes
- 4
- Fires
- 5
- Injuries
- 6
- Deaths
- 0
Most common 1990 Isuzu Trooper problems
Share of all 28 complaints. One complaint can name more than one area. Tap an area for its complaints and recalls.
1990 Isuzu Trooper recalls 3
Recall repairs are free. Your dealer fixes them whether or not you bought the car there - check your VIN at nhtsa.gov/recalls to see if yours is done. What to do
- The problem
- Putting in more transmission oil than specified can cause oil to bleed through air groove on to the exhaust manifold if oil temperature rises.
- The risk
- This could cause smoke emission from the manifold, whichcould ignite rubber hoses and result in a fire.
- The fix
- Replace oil level gauge and notify owners to use only the specified amount of automatic transmission fluid.
- The problem
- Improperly installed hose on the oil cooler could come in contact with the exhaust manifold and could melt.
- The risk
- Engine oil could leak out with potential for engineseizure and damage and could result in a fire.
- The fix
- Properly install cooler hose clip to prevent contact with exhaust manifold.
What owners say
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28 complaints about the 1990 Isuzu Trooper
Newest first, as filed with NHTSA by owners. Page 1 of 2.
My 1990 isuzu trooper, standard, intensifies its revs in idle suddenly. Sometimes it goes up and down, up and down... And I can see how the temp gauge rises quickly. My momentary solution in such cases is to stop the car and shut off the ignition and wait, sometimes this leaves me some minutes until it starts revving up and down again. No injuries so far, but I have not been using the truck much for this same reason. I would like to know what id the cause so that my mechanic can solve it. *Nm
Rear passenger side tire tread started to separate, causing the consumer had to pull over. Sears, trail handler, size#p235/75/r15, dot#3dhllbe488. *Ak
Blow out of a firestone atx p235/75r15 that was purchased new in a set of replacement tires. The tire was installed on a 1990 isuzu trooper.*Ak
My 1990 isuzu trooper is exhibiting dangerous revving and dropping of the idle. The truck accelerates without warning and is impossible now to drive safely. It is my understanding that the ecu in these trucks is faulty due to manufacturing defects. I further understand that thousands of others have these problems. Please initiate a recall of these vehicles and force isuzu to repair these dangerous defects at their expense, not the consumers'. Please take action on this extremely dangerous situation. I would...
Read the full complaint
appreciate your instructing isuzu to contact me with information on where I can have my truck towed to be repaired. It is not safe to drive it. Several garages said they cannot diagnose and fix the problem, and that isuzu must resolve the problem. Many thanks for your consideration. *Nlm
The back left tire was defective (steel showing) causing the driver to loose control and run across the s/b lane of traffic and struck a guardrail, the vehicle the overturned going over the gouardrail down into a creek bed, the vehicle then flipped rear over front one complete time, all 4 occupants were injured (bridgeston/firestone p235/75r15, radial atx m/s, vdhl1m0254, left rear). Nlm
Consumer pulled into parking lot, and noticed smoke from front of vehicle. Stopped vehicle , turned off engine, and saw flames were coming from under fender on passenger side. Vehicle was totalled.*Ak
This vehicle started on fire; think it is in relation to transmission dip stick leak. *Ak
While driving on the road at 15mph went to apply brakes and heard loud grinding noises, pulled over to the side. Consumer contacted dealer and manufacturer. Isuzu rep told owner that the brakes are still safe. *Ak *ml
Dislodged rear brake caliper bolt, causing premature rear brake wear.
ENGINE FAILURE.
Bottom of the rear door rusted out due to a design defect. Drain holes were not drilled. Consequently water was captured and door rusted out. Could present a safety concern. *Ak
During a rearend collision, driver's seatback broke, causing minor injury to driver. *Ak
While driving, pulled off to rest stop, noticed smoke coming from engine as slowing down, at rest stop, observed flames coming through crevice of vehicle, another motorist used fire extinguisher. Vehicle at repair shop. Was informed seal went out in transmission. *Ak
When driving the vehicle will cut off without no warning due to an electrical malfunction. *Ak *slc
FUEL LINE LEAK, CAUSING FIRE.
ENGINE HEAD CRACKED.
Due to the hose lying against the manifold and melting it burst while driving, component was previously repaired as a recall however failed after repair.
Experienced a rollover while driving down hill, the car started to fishtail and turned around into on coming traffic and the trooper rolled over onto the right side. Consumer was injured in accident. *Slc
Engine oil coler hose that was laying against the manifold melted/burst. *Ak
Manifold burned a hole through oil cooler hose, causing oil to leak out of engine while driving on highway. *Ak
Engine cooler hose recall repairs refused due to model (90v-166). *Ak
ENGINE COMPARTMENT FIRE.
Passenager ft/rr and driver door fly open while turning a curve, after being closed and locked, possibly due to broken hinges. *Ak
THE PASSENGER SIDE SEAT BELT BUCKLE BROKE . TT
Child took the vehicle out of park without the key being in the ignition, resulting in a rollaway. *Ak
Isuzu Trooper: every year compared
All Trooper years1990 Isuzu Trooper vs rivals
| Vehicle | Complaints | Recalls | Grade | |
|---|---|---|---|---|
| 1990 Isuzu Trooper | 28 | 3 | D | |
| 1990 Isuzu Pickup Truck | 10 | 2 | F | Compare |
| 1990 Isuzu Amigo | 6 | 1 | C | Compare |
| 1990 Isuzu Impulse | 5 | 1 | D | Compare |
| 1990 Isuzu Isuzu Truck | 5 | 0 | F | Compare |
More sales usually means more complaints, so compare similar vehicles of the same year. The grade compares each vehicle with its own model's other years.
Questions about the 1990 Isuzu Trooper
Does the 1990 Isuzu Trooper have any recalls?
Yes - NHTSA lists 3 recalls for the 1990 Isuzu Trooper: trailer hitches (July 1993); automatic transmission (September 1990); hoses / lines / piping / fittings (September 1990). Recall repairs are free at any authorized dealer. Enter your VIN at nhtsa.gov/recalls to see whether yours has been fixed.
What are the most common problems with the 1990 Isuzu Trooper?
By the complaints owners filed with NHTSA, the most common problem areas are the engine & cooling (7), transmission & drivetrain (6), wheels & tires (3).
How many complaints has the 1990 Isuzu Trooper had?
28 complaints have been filed with NHTSA, the first on November 28, 1994 and the latest on January 27, 2007. Of these, 4 describe a crash and 5 a fire, and together they report 6 injuries and 0 deaths.
Is the 1990 Isuzu Trooper a reliable vehicle?
Its Safety Index is 36 out of 100 (grade D: more problems than a typical Isuzu Trooper year, for its age). The index weighs complaints, crashes, fires, injuries, deaths and recalls against how long the vehicle has been on the road, compared with the same model's other years. It is not a measure of every repair - read the complaints and owner experiences, and have any used vehicle inspected before you buy.
Which Isuzu Trooper years have the most complaints?
1999 (81), 1991 (58), 1995 (56). See every Isuzu Trooper year compared.
What should I do if my 1990 Isuzu Trooper has a problem?
If it is a safety problem, stop driving it if it is unsafe and contact your dealer. Report it to NHTSA at nhtsa.gov/report-a-safety-problem - enough reports start investigations and recalls - and share your experience here so other owners know what to look for.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked . Complaints are owners' own reports and are not verified. How we use the data