Pontiac Bonneville: Bad Alternator → Symptoms & Diagnosis

A bad alternator can leave your Pontiac Bonneville without power and unable to move.  Alternators don’t always go bad in the exact same way.  We’ll cover the symptoms of when an alternator goes bad, and how to diagnose a bad one (which is really pretty easy).   How Your Bonneville’s Alternator Works The alternator’s job … Read more

Pontiac Bonneville Bad Oxygen Sensor: Symptoms and Diagnosis + How to Fix

Oxygen sensors play a crucial role in your Pontiac Bonneville’s emissions system and fuel management. These sensors detect the levels of oxygen present in the exhaust, which is a primary component in maintaining the optimal air-fuel ratio. A damaged or faulty oxygen sensor can have a significant impact on your car’s overall performance, making it … Read more

Pontiac Bonneville Bad Fuel Pressure Regulator: Symptoms, ID, How to Fix

One of the most common issues with any vehicle, including the Pontiac Bonneville, is when it has fuel pressure regulator issues. A bad fuel pressure regulator can cause all sorts of problems. A bad fuel pressure regulator can cause various symptoms in your Pontiac Bonneville, the most common being engine performance problems. This can result from either too … Read more

Pontiac Bonneville Troubleshooting: Shakes When Braking

  If you find your Pontiac Bonneville‘s steering wheel shakes or vibrates when you press the brakes, it is almost always the brake rotors that are the cause of the problem.  There are plenty of other issues that can cause the steering wheel to wobble.  But, if your Bonneville is only shaking when braking, that’s … Read more