Which parts fail
Components named in complaints (engine, cooling system, oil leaks, timing chain, exhaust).
Mileage when the problem started
Owner reports
Selected complaints filed with NHTSA by 2000 Jeep Wrangler owners, lightly cleaned up (personal details are redacted by NHTSA).
Tl* the contact owns a 2000 Jeep Wrangler. While parked, the accelerator pedal was depressed and extended to the floorboard. The contact opened the hood and noticed flames. A police report was filed. The vehicle was towed to an independent mechanic where it was diagnosed that the number three cylinder was burned and needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 160,000.
Tl* the contact owns a 2000 Jeep Wrangler. After parking and shutting off the vehicle, smoke appeared under the hood without warning. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The VIN was included in NHTSA campaign number: 02V104000 (fuel system, gasoline). The failure mileage was 120,000.
Tl contact owns a 2000 Jeep Wrangler. While driving 30 MPH, the contact approached a red light and applied the brakes to come to a complete stop. When he removed his foot from the accelerator pedal, the vehicle failed to decrease in speed. Instead, the engine revved a bit higher. The contact depressed the braked pedal and the vehicle began to slowly decrease in speed; however, it did not come to a complete stop. The contact rear ended another vehicle. There were no serious damage and the air bags failed to deploy. The contact believes that if children had been present, the crash could have been a lot more serious. He took the vehicle to a repair shop for inspection and was informed that the failure was very common; however, no recalls had been issued. The VIN was unknown. The current and failure mileages were 69,000.
Tl* the contact owns a 2000 Jeep Wrangler sahara. The contact stated while driving 35 MPH, the vehicle decelerated and began to perform abnormal without any warnings. The contact mentioned that after driving onto the emergency lane, he noticed smoke was emitting from the underneath the hood and minutes later the vehicle was completely engulfed in flames. The fire department was contacted. The manufacturer was made aware of the failure. The vehicle was destroyed. The failure and current mileage was 204,000.
Tl* the contact owns a 2000 Jeep Wrangler. The contact stated that the vehicle stalled after the check engine and brake lights illuminated. The vehicle was taken to an independent mechanic where the technician diagnosed that the cam shaft and crank sensor needed to be replaced. The repairs were made, but the failure persisted. The manufacturer was not made aware of the failure. The failure mileage was 120,000. The VIN was unavailable.
Tl* the contact owns a 2000 Jeep Wrangler. While driving 10 MPH, the contact heard a loud sound and the cross member fractured. The contact stated that the engine stalled. The contact stated that the vehicle restarted. The vehicle was not repaired. The vehicle was not diagnosed or repaired. The manufacturer was not notified. The approximate failure mileage was 191,106.
Radiator on 2000 Jeep Wrangler sport (automatic transmission) just recently I was informed by the Jeep dealer where I purchased my Jeep that the radiator was leaking and had to be replaced. Pursuant to conversations with others who know me, they told me it could probably be repaired instead of replaced costing me less. A radiator shop confirmed that the radiator, having a plastic top, had to be replaced instead of repaired. I was also told that normally radiator problems occurred on much older vehicles and that most older vehicles had original radiators in them even if they were repaired. My complaint is simple. I think the manufacturer should never have placed a radiator in a vehicle with plastic parts that can not be repaired especially on a radiator. …
The engine has released more than one gallon of antifreeze into the oiling system in less than 500 miles. After removal of the valve cover, a fracture in the cooling system cylinder head water jacket has been found between cylinders 3 and 4 that permits coolant to enter into the oiling system. The dealership stated that the cylinder heads are known to crack without cause, can be replaced with a cylinder head that maybe prone to cracking again and in addition will require several more components to be replaced. The dealership offered no further information.
Tl contact owns a 2000 Jeep Wrangler. While driving at any speed, the vehicle shuts off without warning. The most recent failure occurred while driving 60 MPH on the highway. The contact was able to place the gear into neutral and restart the vehicle. The dealer stated that they will need to test drive the vehicle to locate the cause of the failure. The VIN was unknown. The failure mileage was 95,000 and current mileage was 115,000.
Persistent leak problems since Jeep was 6 months old. Return to dealer over 5 times before noticeable leaks stopped (behind dash board, floor at drivers and a passenger side) fix under originally warranty. 4 new leaks and return of two old leaks - not covered by extended warranty now dealer wants $650 to fix. Additionally have numerous transmission problems and paint rusting problems since a month after I purchase the vehicle.
Engine complaints in other Wrangler years
Frequently asked questions
How common are engine problems on the 2000 Jeep Wrangler?
NHTSA has 24 complaints about the engine & cooling of the 2000 Jeep Wrangler, 10% of the model year's 251 complaints. The component named most often is engine › gasoline (9 mentions).
Is there a recall for 2000 Jeep Wrangler engine problems?
No. NHTSA lists no engine & cooling recall for the 2000 Jeep Wrangler, though it has 1 recall for other components. If the problem is widespread, a repair may still be covered by an extended warranty or a manufacturer service bulletin — ask a dealer.
At what mileage do 2000 Jeep Wrangler engine problems start?
Half of the complaints with a recorded mileage happened before about 95,000 miles, and 6% before 25,000 miles.
Is it dangerous?
Owners linked 1 crash, 9 fires and 0 injuries to engine & cooling problems on this model year. If you notice symptoms, have the car checked before driving further.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.