10.0
really awful- Crashes / Fires:
- 1 / 0
- Injuries / Deaths:
- 0 / 0
- Average Mileage:
- 27,362 miles
About These NHTSA Complaints:
The NHTSA is the US gov't agency tasked with vehicle safety. Complaints can be spread across multiple & redundant categories, & are not organized by problem. See the Back button — blue bar at the very top of the page — to explore more.
Consumer bought the Bonneville in August, since then it has been in repair shop 7 times. The first four times were for transmission failure. They replaced the pressure control valve and throttle body. The remaining visits were for 4 fuel injection system failures, injector coil failures melted 4 spark plug wires. Also, water pump started leaking.
- Elwood, IN, USA
1998 pontaic Bonneville SE, standard V6 engine, while stopped with the brake engaged the engine will surge and leap forward. Car engine will quit while driving, causing loss of anti-lock brakes. Transmission sometimes shifts up and down without any reason, even at speed causing control problems. Suposedly related to the design of the intake manifold ( plastic cracks causing vacum problems and sometines loss of water). Also exterior paint started to peal off at 70.000 miles.
- Somerset, KY, USA
On several occasions while stopping and then starting, vehicle idles low and on some occasions it stalls, especially while making left turns, dealer once found a vacuum leak from between the throttle body and upper plenumn, problem still exists. Consumer states vehicle has poor acceleration and lack of power. Battery failed.
- Jenison, MI, USA
No summary listed for above vehicle.
- San Francisco, AK, USA
Intermittently vehicle will suddenly accelerate or stall and die. Dealer has replaced the alternator generator and the ECM. Manufacturer will be notified.
- Easton, PA, USA
- Edenton, NC, USA