The P0118 code means that the engine control module (ECM) has detected a voltage signal that’s too high from the engine coolant temperature (ECT) sensor (below). In practical terms, the ECM believes ...

Internal combustion engines — including those that run on diesel fuel — rely on various systems, accessories, and electronics to keep the pistons moving and your wheels turning. Of those systems and ...

When you're waiting for an engine to cool down, it can feel like forever. Whether you're hoping to perform a minor fluid fix or have a more serious mechanical issue, it takes a little while before we ...

For diesel engines to work their best, precision is everything. That's why, unlike traditional gasoline-powered engines, a Duramax diesel engine has two thermostats. After all, there are some ...

As an engineering professor for more than 40 years, my father often told me that the only difference between a difficult problem and an easy one is knowing the correct answer. While that axiom can be ...

Once upon a time, it was considered good practice to warm up your engine by letting it idle for a little while before setting off. These days, however, people tend to just jump in the car and go. Is ...

There was a time, long ago, when passenger vehicles used to be much simpler than they are today. There were many downsides of this era, safety chief among them, but there were some perks as well. They ...

While car oil pans don't have set replacement intervals, they can become damaged over time. Here's how long you can typically ...