Vehicle Data Hub

1999 Jeep Wrangler engine problems

Owners reported engine problems in 51 complaints for the 1999 Jeep Wrangler, 19% of the complaints on file. It is the 2nd most reported problem area for this model year.

At a glance

Complaints
51 20% of this year's complaints
Typical mileage
55,000 miles 29 complaints with mileage
Crashes and fires
2 and 2
Injuries and deaths
1 and 0

Source: NHTSA owner complaints

When engine problems show up

Engine complaints by mileage, 1999 Jeep Wrangler Complaints by odometer reading in 20,000-mile steps. The median is about 55,000 miles. 0k to 20k miles: 1 complaints 20k to 40k miles: 4 complaints 40k to 60k miles: 11 complaints 60k to 80k miles: 10 complaints 80k to 100k miles: 1 complaints 100k to 120k miles: 1 complaints 120k to 140k miles: 0 complaints 140k to 160k miles: 1 complaints 160k to 180k miles: 0 complaints 180k to 200k miles: 0 complaints 200k+ miles: 0 complaints 040k80k120k160k200k miles Typical: 55,000 miles
Based on 29 complaints that include mileage. 55% were reported before 60,000 miles. The amber marker shows the median: half of these complaints happened before that mileage.
View the numbers
MileageComplaints
0k to 20k miles1
20k to 40k miles4
40k to 60k miles11
60k to 80k miles10
80k to 100k miles1
100k to 120k miles1
120k to 140k miles0
140k to 160k miles1
160k to 180k miles0
180k to 200k miles0
200k+ miles0

What the data shows

Of the 29 engine complaints that report mileage, the median is about 55,000 miles, and 55% were reported before 60,000 miles.

These complaints mention 2 crashes, 2 fires, 1 injury.

What owners wrote

1999 jeep wrangler. Consumer writes in regards to vehicle being a lemon *tgw the consumer stated she was told the vehicle was new. But, in fact it was defective and had to be repaired several times. The consumer was involved in an accident where she suffered a neck injury.

August 2009 CrashInjury

1999 jeep wrangler 6 cycl. Has been to the dealership on multiple visits. Loss of power during highway driving. After replacing the fuel pump, radiator, and performing an additional tune-up but problem is still unresolved. Now find that there is a crack in the intake manifold and the exhaust manifold has completely cracked.

Reported at 102,000 miles, December 2003

Other problems reported for the 1999 Jeep Wrangler

Engine problems in other years

Engine problems across all Jeep models