Automobile engines have undergone tons of changes over the years, primarily to make them more efficient. For the most part though, engine changes result from a string of iterative improvements on ...

Every new car sold in the United States today uses fuel injection, but not all fuel injection systems are the same. Some cars use port injection, while others use direct injection. Some even use both.

Modern engines are more efficient than ever… but they’re also failing way sooner than people expect. Direct injection sounds advanced, but the weird part is it can push fuel into places it was never ...