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Engine & cooling

Isuzu Trooper Engine problems by year

189 complaints filed with NHTSA about the Isuzu Trooper's engine & cooling. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.

Engine complaints by model year

YearEngine complaintsCrashesInjuriesRecalls
20024000
20019001
200025001
199958100
199819000
19972000
19968000
19957000
199413001
19935001
19928001
199113001
19907001
19894000
19885000
19862000

Engine recalls

Latest Trooper engine complaints

2001 Isuzu TrooperBrakesFuel systemEngine & cooling

The contact owns a 2001 Isuzu Trooper. The contact stated while entering and starting the vehicle, he noticed an extreme heat in the interior of the vehicle coming from the engine. The contact proceeded to shift the gear into drive however, while his foot was still on the brake pedal the vehicle independently accelerated. The contact had to pulled up the parking brake to stop the vehicle. The contact stated that the failure recurred several times afterwards. The contact took the vehicle to an independent mechanic...

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who diagnosed the failure as a bypass for the fuel line and brake line failure that needed to be replaced however, the mechanic was unable to determine the cause for the heat entering the vehicle from the engine. The mechanic was able repair the vehicle however, the contact was concerned that the heat coming from the engine would eventually destroy the engine and the vehicle would need to be replaced. The manufacturer was not made aware of the failure. The approximate failure mileage was 101,000.

Filed Incident Service brakes, air · Fuel system, other · EngineNHTSA 11420560
1999 Isuzu TrooperEngine & cooling

75000 Miles. Burns a quart of oil every few hundred miles. No oil light comes up. I ran it almost out of oil in 06/2018

Filed Incident EngineNHTSA 11206873
2000 Isuzu TrooperAcceleration & cruise controlWheels & tiresEngine & cooling

Perforation which has caused back bracket underneath to detach. Bolt is in place. Engine light on wbich is csused by the engine an engine cooling system. I have print out from oriellys which has messed up the transmission once again. Papers on new transmission placed. Transmission light on. Smell of gas in engine which is caused by the fuel system. Note this vehicle would not pass epaan or i/m test. I do not know how that make an model are still being sold. Very dangerous. I am 31 years old I do not want to die of defects. Cannot drive on highway, also can't get it leval because it will not pass expection.

Filed Incident Vehicle speed control · Wheels · EngineNHTSA 11002329
1999 Isuzu TrooperAcceleration & cruise controlEngine & coolingFuel system

Last 3 weeks - initially seemed like power loss/surge, then heard unusual sound coming from engine compartment 1 week ago, engine started to die while operating on city/residential streets whenever not pushing gas (slowing to turn or stop) friday, would not even hold idle to start, pushed gas and held rpm's at 1 - 1.5 For a while and finally started. Today, initially would not start. Next time started rpm's at over 2, dropped when shifted to reverse, when shifted to drive vehicle accelerated without use...

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of gas pedal up to steady 35 mph on city street. After 1 mile, at next intersection started making that strange noise in engine compartment (like air or fluid under pressure ie air compressor/high pressure water sound) while pressing brake shifted into neutral rpm's revved to 2.5, In drive and reverse dropped to 1.5, In park revved to 2.5, After turn automobile accelerated to steady 40 mph on city street without gas being pushed at next stop (1 mile) returned to normal idle and operation. Has problem both when cold and hot weather and cold or hot start. It has not produced a check engine light or any codes

Filed Incident Vehicle speed control · Engine · Fuel / propulsion systemNHTSA 10850767
2000 Isuzu TrooperElectrical systemEngine & cooling

Tl* the contact owns a 2000 isuzu trooper. While driving at 35 mph, the vehicle stalled and the check engine warning lights illuminated. The failure recurred several times. The vehicle was diagnosed by the owner as a certified mechanic. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was 152,000.

Filed Incident Electrical system · EngineNHTSA 10717315
1995 Isuzu TrooperEngine & coolingBody, doors & structureAcceleration & cruise control

Accelerated from stop and throttle stuck. Was able to shut down engine and get to side of road. Inspected cable and found that rubber boot on engine side of cable housing had become gummy/sticky/soft and had folded in on itself, sticking to the inner cable itself. Removed boot to get home. Looked online for replacement, and found that there had been a recall for exact same problem on exact same model and year, but after calling isuzu, was told that my vin was not part of the recall, though it's the same part...

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number. Obviously the recall was incomplete, and there are still cars out there which, like mine, have the same faulty speed control components. Had I not known to take the car out of gear and shut down the engine, there could have easily been a crash. My wife drives my 2 year old son in this car. I ask you to please look into this issue on behalf of public safety. *Tr

Filed Incident Engine and engine cooling · Structure · Vehicle speed controlNHTSA 10652791
2001 Isuzu TrooperEngine & coolingTransmission & drivetrain

My suv , isuzu trooper of 10years, was parked in a library parking garage and after ignition turned on, I put it in reverse gear to get out of the parking lot and the car rapidly reversed and before I could figure out and react, the car shot like a rocket towards the front , while still in reverse gear, and I had no control of the brakes or steering wheel, it rammed into a concrete pillar and got completely totaled. Airbags opened and front doors jammed and I had slide to the back to escape. Luckily, car did not...

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catch on fire or explode. ( Police report verify that after crash, car still found to be in reverse gear and suprised how car moved towards the front). A week ago, prior to this freaky crash, ( luckily no minors, seniors, homeless who usually walk in the parking lot were not present, otherwise, there would have been multiple deaths) my car dealership had done work on my car for nearly $1000.00. And they replaced mode switch for my automatic transmission ( thermostat changed; piston cover changed) and don't know what role it played in my car's crash. I am pretty sure its a malfunction . It needs to be assessed and figured what role the above installation played in the crash which could have had disastrous consequences. Was it due to defective part? Insurance company blames it on me and say my premiums will be higher since its at fault accident despite hearing my experience and with evidence of police report which states that my gear was still in reverse. ( After crashing head on against a concrete pillar) thank you for keeping public safety first!

Filed Incident Engine and engine cooling · Power trainNHTSA 10444319
2000 Isuzu TrooperEngine & coolingFuel system

I checked my oil level 3 weeks ago and it was fine. I change my oil every 3000 miles. I added a quart 3 days ago for a long trip I was taking. While driving down to billings, mt, my car suddenly stopped. It had not overheated or shown a warning sign. My car was bone dry of oil! The engine has seized. I did everything right...This is clearly a design flaw in the car. *Tr

Filed Incident Engine and engine cooling · Fuel system, otherNHTSA 10354112
1999 Isuzu TrooperEngine & cooling

99 Isuzu trooper 3.5 Engine burns oil excessively. I am original owner and regularly serviced per owners manual. At 50k miles, engine oil light turned on 2,500 miles after oil change and was over 4 qts low. Engine now at 60k mi and burning approx. 1 Qt per 600-700 miles. Seems to be common engine defect known by mechanics and owners, but isuzu unwilling to acknowledge problem. Though monitoring constantly, I am just waiting for significant engine failure. *Tr

Filed Incident Engine and engine coolingNHTSA 10313306
1998 Isuzu TrooperEngine & cooling

Engine is exhibiting abnormally high oil consumption. One quart per 500 miles. Imminent engine failure if problem is not corrected. *Tr

Filed Incident Engine and engine coolingNHTSA 10310412
2000 Isuzu TrooperEngine & cooling

After maintaining our 2000 isuzu trooper by the book and being fully aware of the oil consumption problem, it blew the engine at 103000. I kept very good documentation of all the repairs- and there were a lot of them, isuzu is not backing their powertrain warranty (120,000 miles)because they found a way to get away with it by saying because I didn't have actual receipts for every oil change even though I did many myself and documented dates and mileage, they are not responsible. I've done some research which was...

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easy because its such a common problem, but didn't find much on any trooper owners satisfied or fairly treated by isuzu. The sticker price was $32,000 when I purchased it in 2000 I fully expected to get more than 103,000 out of it. If anyone has any luck with the same problem,please let me know and in the mean time im going to do as much as I can to fight this. *Tr

Filed Incident Engine and engine coolingNHTSA 10266175
1995 Isuzu TrooperEngine & cooling

Tl*the contact owns a 1995 isuzu trooper. The contact noticed that the front exhaust pipe had excessive corrosion and failed. He speculated that the component failed prematurely because he resides in a salt belt state. The dealer stated that the repair would cost $1,000. The vehicle has not yet been repaired. The failure and current mileages were 90,000.

Filed Incident Engine and engine coolingNHTSA 10263734
1992 Isuzu TrooperEngine & coolingFire

Tl*the contact owns a 1992 isuzu trooper. The contact noticed oil leaking onto the intake manifold. He noticed the issue when heavy smoke appeared from the engine while driving approximately 55 mph. The dealer stated that the vin was not included in nhtsa campaign id number 94v132000 (engine and engine cooling:engine). The manufacturer initially stated that the vin was not included in the recall, but later stated that the vehicle had previously been repaired according to the recall. The current mileage was 192,031 and failure mileage was approximately 188,000.

Filed Incident Engine and engine coolingNHTSA 10250838
1994 Isuzu TrooperEngine & coolingAcceleration & cruise control

Tl*the contact owns a 1994 isuzu trooper. The contact stated that the throttle cables feel like the cruise control is always active. In addition, the rpms are constantly idling. There has also been an oil leak; however, the failure was unable to be duplicated. Oil leaked onto the steer plate and coated the entire exhaust system and the components of the engine. He found two recalls that listed the exact failure he was experiencing; however, the manufacturer stated that his vin was not included in nhtsa campaign id numbers 04v199000 (vehicle speed control:cables) and 04v132000 (equipment:other:labels). The failure mileage was 139,000 and current mileage was 139,600.

Filed Incident Engine and engine cooling · Vehicle speed controlNHTSA 10247646

Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data

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