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Most vehicles these days are equipped with direct fuel injection. What this means is that the fuel is sprayed directly into the cylinders. The fuel injectors are in charge of…

A dead fuel pump means no gasoline in the engine. Naturally, if there isn’t any gasoline pumped into the engine you won’t be able to start your automobile. Thankfully, Hummel’s…

In our last blog post, we talked about a malfunctioning oxygen sensor. Let’s talk about the mass airflow or MAF sensor in this post. This sensor is located in your…

The oxygen (O2) sensor is an important part of your exhaust system. This sensor is found in the tailpipe where it measures the oxygen levels in your vehicle’s exhaust. Your…

The ALT light on your dashboard is for the alternator. If you don’t have an ALT light, you may have a GEN light or a battery-shaped light. If any of…