We may receive a commission on purchases made from links. Over the last century or so, the auto industry has changed in a myriad of incredible ways. It's mind-boggling to think of just how far we've ...

You own a diesel-powered vehicle and are thinking of giving it a tuneup. But does your diesel even have spark plugs to change? The short answer is no, diesel engines do not have spark plugs. Instead, ...

The odds are pretty good that your car doesn’t have glow plugs. Spark plugs, probably, but glow plugs are pretty much for diesels only—they’re used to introduce heat to the combustion chamber in ...

At the start of 2025, Cummins unveiled its updated lineup of heavy-duty (HD) trucks under the Ram 2500 and Ram 3500 badges. Like the smaller Ram 1500, the larger HD models received a comprehensive ...

The 2021 Corvette Stingray is a ripper of a sports car, offering mid-engine performance at a bargain price. However, while this domestic exotic has quite a bit going for it, there are some things one ...

GM has issued a special coverage bulletin for certain units of the 2020 Chevy Silverado 1500 equipped with the 3.0L LM2 turbodiesel Duramax engine that may have been produced with a faulty glow plug ...

A fundamental difference between gasoline and diesel engines is that a gasoline engine uses spark ignition while a diesel engine uses compression ignition. Before we delve deeper, let's understand how ...

Our Project 300 '87 Ford F-250 got its name from the dollar amount we initially paid for it. Its debut in the February '09 issue ("$300 Diesel") showed us towing our new project home, installing two ...