Royersford Auto Repair

A musty smell coming from your car’s air conditioning system can make every drive unpleasant. If turning on the AC fills your cabin with a damp, moldy odor, there’s likely an issue with moisture buildup, bacteria, or even a clogged filter. Ignoring the problem can lead to worsening air quality and potential health concerns. Let’s break down the common causes of this issue and what you can do to fix it. 1. Mold and Mildew Growth in the AC System One of the most common reasons for a musty smell is mold and mildew buildup inside the air conditioning system. When moisture lingers in the evaporator core or air ducts, it creates the perfect environment for mold to grow. This often happens if: You frequently use the AC in humid conditions Water isn’t draining properly from the system Your car sits unused for long periods with moisture trapped inside A professional cleaning of your AC system, including the evaporator coil and ducts, can help elimin ... read more

As winter fades away, spring brings a welcome change—but it also comes with unpredictable weather that can put your car to the test. Rain, fluctuating temperatures, and lingering winter damage can all impact your vehicle’s performance. If you want to stay ahead of potential problems, preparing your car for the season is essential. For drivers in Pennsylvania, spring conditions can be a mix of heavy rains, pothole-ridden roads, and sudden temperature shifts. Taking the right steps now can help ensure your vehicle is ready for anything the season throws your way. Check Your Tires for Wear and Proper Inflation Spring often means wetter roads, and having reliable tires is critical for traction and safety. After months of winter driving, your tires may have uneven wear or lost air pressure. Cold temperatures can cause tire pressure to drop, and if you haven’t checked it in a while, your tires might not be providing optimal contact with the road. If you ... read more

Although your vehicle's oxygen sensors may not seem like the most exciting aspect of its design, they play a vital role. These devices quietly monitor and optimize your engine's performance. But what exactly do they do, and why should you care about them? Let's explore their significance and how these small sensors can impact everything from fuel efficiency to emissions. What Are Oxygen Sensors and How Do They Work Oxygen sensors, often referred to as O2 sensors, are small electronic devices strategically placed in your vehicle’s exhaust system. Their job? To measure the amount of oxygen in the exhaust gases exiting your engine. When your engine burns fuel, the ideal mix of air and fuel is crucial for efficient combustion. Oxygen sensors analyze the exhaust and send data to your car’s engine control unit (ECU). The ECU then adjusts the air-to-fuel ratio t ... read more