Pontiac Sunfire Overheating While Idle: Causes + Fix

There are a few reasons why your Pontiac Sunfire would be overheating when idling.  The most common ones include a bad thermostat, water pump, electric fans, and low coolant level.  This guide is intended to help you find the cause of this overheating in the most efficient way possible.  So, let’s start with what’s easy … Read more

Pontiac Sunfire:  P0068 MAP/MAF Throttle Position Correlation

P0068 in the Pontiac Sunfire 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 Sunfire’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 Sunfire: Engine Smoking Causes + Diagnosis

A smoking engine is a serious thing.  If your Pontiac Sunfire’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 Sunfire’s engine would smoke include overheating, burning oil, or … Read more

Pontiac Sunfire:  Bad Sway Bar Links (Common Symptoms)

Sway bar links are responsible for connecting your Pontiac Sunfire’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 Sunfire.  If you have a bad sway bar link, your vehicle will … Read more

Pontiac Sunfire Shuts Down While Driving (Common Causes)

If your Pontiac Sunfire 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 Sunfire would randomly die while driving.  Before looking at anything, is the check engine light on?  If it is, … Read more

Pontiac Sunfire:  Brake Lights Not Working Diagnosis

Brake lights are one of the most critical safety features that your Pontiac Sunfire 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 Sunfire Dies After Starting Diagnosis

It can be very disconcerting if your Pontiac Sunfire 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 Sunfire’s engine needs 3 things constantly and in the proper proportion to keep running. Air Fuel … Read more

Pontiac Sunfire: Brake Lights Stuck On → Diagnosis

It is both frustrating and unsafe to drive your Pontiac Sunfire if the brake lights are stuck on.  The most common reason that they stay on is a brake light switch that has failed.   How Brake Lights Work Brake lights work by having an electric current sent to the brake pedal switch at all … Read more