Vehicle Data Hub

2002 Pontiac Bonneville engine problems

Owners reported engine problems in 15 complaints for the 2002 Pontiac Bonneville, 13% of the complaints on file. It is the 2nd most reported problem area for this model year.

At a glance

Complaints
15 13% of this year's complaints
Typical mileage
92,000 miles 11 complaints with mileage
Crashes and fires
0 and 1
Injuries and deaths
0 and 0

Source: NHTSA owner complaints

When engine problems show up

Engine complaints by mileage, 2002 Pontiac Bonneville Complaints by odometer reading in 20,000-mile steps. The median is about 92,000 miles. 0k to 20k miles: 1 complaints 20k to 40k miles: 1 complaints 40k to 60k miles: 1 complaints 60k to 80k miles: 2 complaints 80k to 100k miles: 3 complaints 100k to 120k miles: 2 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: 92,000 miles
Based on 11 complaints that include mileage. 27% 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 miles1
40k to 60k miles1
60k to 80k miles2
80k to 100k miles3
100k to 120k miles2
120k to 140k miles0
140k to 160k miles1
160k to 180k miles0
180k to 200k miles0
200k+ miles0

What the data shows

Of the 11 engine complaints that report mileage, the median is about 92,000 miles, and 27% were reported before 60,000 miles.

These complaints mention 1 fire.

What owners wrote

Tl* the contact owns a 2002 pontiac bonneville. While driving at various speeds, the vehicle began to smoke under the hood. The vehicle was taken to an independent mechanic where it was diagnosed that the gaskets and valve cover failed and needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was approximately 100,000.

Reported at 100,000 miles, June 2015 Fire

Tl*- the contact states that the engine coolant is leaking at the upper intake manifold. The contact states that there was a safety campaign regarding the same issue he has with his vehicle and that he wasn't aware about the issue until he was doing research online. By the time the contact found out about the safety campaign the time for the campaign had expired.

Reported at 60,000 miles, December 2006

Other problems reported for the 2002 Pontiac Bonneville

Engine problems in other years

Engine problems across all Pontiac models