10.0

really awful
Crashes / Fires:
6 / 0
Injuries / Deaths:
1 / 0
Average Mileage:
7,353 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

1999 Jeep Grand Cherokee engine problems

engine problem

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1999 Jeep Grand Cherokee Owner Comments

problem #7

Sep 011999

Grand Cherokee 6-cyl

  • miles

A D V E R T I S E M E N T S

On both failures the Jeep was in park, with the brake on and the engine idling. The car literally took off in reverse and both times was only stopped by fences. Both times the vehicle was on flat ground. I reported the first incidence to the dealer and they said that if I couldn't prove it, they weren't responsible and therefore I would have to pay for the damage. I did not report the second incidence, but I have also not fixed the damage. I am terrified to drive the vehicle. Scc ***dimsii IVOQ entry posted after 12/12/02 cut-over to artemis****747979

- Shepherdstown, WV, USA

problem #6

Dec 132002

Grand Cherokee 4WD 8-cyl

  • Automatic transmission
  • 51,468 miles
The consumer started the vehicle from the park position and placed in reverse, with foot on the brake pedal, the vehicle had taken off out of control, hitting other vehicles. The dealer could not find a problem. Scc

- Minneapolis, MN, USA

problem #5

Jun 011999

Grand Cherokee 4WD

  • Automatic transmission
  • miles
While driving 35 mph vehicle suddenly accelerated, consumer applied brakes, but this did not stop vehicle. Consumer kept pushing brake pedal to floor, and after a few seconds, vehicle slowed down. Mileage was 3000. This happened again on 4 Aug 2001 while driving about 5 mph in a parking garage, vehicle accelerated while in reverse. Applied brakes, but there was no braking action. Vehicle came to a stop when it hit another vehicle. Damage to Jeep was $5700, damage to other vehicle unknown at this time. Both times, no injuries.

- Dobbs Ferry, NY, USA

problem #4

Feb 252001

Grand Cherokee

  • miles

A D V E R T I S E M E N T S

Sudden acceleration upon backing into a poll, engine commenced to accelerate out of control with both foots on brake and shifted into park. Vehicle was force into a concrete wall at 35 mph. Also, both air bags did not deploy. Manufacturer notified and informed of a representative would be sent out to inspect vehicle. Please feel free to provide any further details on this matter.

- Copper City, FL, USA

problem #3

Sep 011999

Grand Cherokee

  • Automatic transmission
  • miles
Due to a defective rear differential in the transmission which been replaced once, while driving vehicle lunged forward, which may have caused a crash. Also, in reverse position there is a loud noise. Problem still exists.

- Pittsfield, MA, USA

problem #2

Jan 142000

Grand Cherokee

  • Automatic transmission
  • miles
While switching the vehicle from neutral to drive owner put foot on gas pedal and the vehicle took off. Owner applied brakes and vehicle kept going until stopping on its own will. Engine still revved while being stopped with the brakes. Dealer said there was no problem.

- Mustang, OK, USA

problem #1

Oct 151999

Grand Cherokee

  • miles
While applying brakes vehicle suddenly accelerated out of control, resulting in a collision. Dealer has inspected and repaired vehicle.

- Houston, TX, USA

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