Pontiac Bonneville:  P0068 MAP/MAF Throttle Position Correlation

P0068 in the Pontiac Bonneville is a generic OBD II code.  In layman’s terms, it means that the MAP (manifold absolute pressure) and/or MAF (mass airflow sensor) are providing the Bonneville’s computer contradicting data compared to what it should be in relation to the throttle position sensor. The throttle position sensor tells the computer how … Read more

Pontiac Bonneville: Engine Smoking Causes + Diagnosis

A smoking engine is a serious thing.  If your Pontiac Bonneville’s engine has smoke coming from it, it needs to be addressed right away.  It can be caused by quite a few different problems, none of which should be ignored. The most common reasons why your Bonneville’s engine would smoke include overheating, burning oil, or … Read more

Pontiac Bonneville:  Bad Sway Bar Links (Common Symptoms)

Sway bar links are responsible for connecting your Pontiac Bonneville’s sway bar to the chassis.  The job of a sway bar is to eliminate body roll by helping the tires keep better contact with the road, which improves the handling characteristics of your Bonneville.  If you have a bad sway bar link, your vehicle will … Read more

Pontiac Bonneville Shuts Down While Driving (Common Causes)

If your Pontiac Bonneville is shutting down while driving, it’s a real safety hazard.  Vehicles are a lot harder to control without power brakes or steering. Below is a list of the most common reasons your Bonneville would randomly die while driving.  Before looking at anything, is the check engine light on?  If it is, … Read more

Pontiac Bonneville:  Brake Lights Not Working Diagnosis

Brake lights are one of the most critical safety features that your Pontiac Bonneville has.  They let other drivers know when you are slowing down, and that they need to slow down too.  If your brake lights aren’t working, you’re way more likely to get rear ended than normal.  The good news is that troubleshooting … Read more

Pontiac Bonneville Dies After Starting Diagnosis

It can be very disconcerting if your Pontiac Bonneville is starting and then dies.  It is most likely caused by some type of issue with the electrical or fuel system.  But, there can be other causes as well. Your Bonneville’s engine needs 3 things constantly and in the proper proportion to keep running. Air Fuel … Read more

Pontiac Bonneville: Shaking When Accelerating → Diagnosis

One of the more common issues that can occur is a vehicle that shakes when accelerating.  If your Pontiac Bonneville is shaking when accelerating, it’s something that should not be ignored.  While the vibration can be annoying, it is often indicative of a serious problem.   Speed Matters Vehicle speed matters when you feel a … Read more