Tag Archives: Sunfire

If your Pontiac Sunfire has a humming noise at high speed, it can be distracting and, depending on the cause, dangerous. We’ve outlined the most common reasons why a humming noise in your car gets louder with speed. We’ve also provided an audio sample of each issue to help determine …

If your Pontiac Sunfire’s AC system is not working, it can be uncomfortable and downright dangerous on a hot day. There are A LOT of issues that can cause your car’s air conditioner to fail. This article is broken down into these three sections to help save you time repairing …

Dash lights flickering and failure to start is a very common issue that can happen to the Pontiac Sunfire. While your first impulse may be to think that there is something wrong with your car’s starter (and it is possible), it’s usually caused by an issue with the battery or …

P0725 is a common OBD2 code that can occur in the Pontiac Sunfire. It indicates an issue with the engine speed sensor input circuit (which measures the engine speed at the input shaft and helps the PCM determine when and how hard to shift the transmission). It’s a generic code, …

C0035 is a manufacturer-specific chassis trouble code that can occur in the Pontiac Sunfire. GM designated C0035 to indicate an issue with the left front wheel speed sensor. Replacing your Sunfire’s left front wheel speed sensor is the most common fix for C0035, but it’s not the only one. C0035 …

P0523 is a standard OBD2 trouble code that can occur in the Pontiac Sunfire. In layman’s terms, it indicates the signal from the oil pressure sensor is higher than its normal operating range (in terms of voltage). P0523 is generic (it has the same definition for all vehicles), repair steps …

P015B is a generic trouble code, which means it has the same meaning any vehicle. In the case of the Pontiac Sunfire, It indicates that the Oxygen (O2) sensor on bank 1 is not cycling from lean to rich as fast as it should be. P015B is usually caused by …

Daytime running lights (or DRL) are specialized lights that come on when your Pontiac Sunfire’s regular headlights are turned off. Their purpose is to make it easier for other drivers to see you, theoretically decreasing the odds of getting into an accident. If your Sunfire’s DRL warning light is on, …

P0605 is a relatively rare OBD-II trouble code that can occur in the Pontiac Sunfire. It indicates that PCM (powertrain control module) is not passing its ROM (read-only memory) self-test when you turn the ignition on. While P0605 is a generic code (it has the same meaning for any car …

P0116 indicates that your Pontiac Sunfire’s engine coolant temperature sensor is sending a signal to the PCM (powertrain control module) that is outside of its normal operating range (in terms of voltage). While P0116 is a generic OBD2 code (it has the same definition for any car or truck), it …