Getting water in your fuel line is bad news with any car, but in diesel engines it can be a particularly nasty issue. Here's what happens if water gets in.

The FOX31 Problem Solvers are investigating what officials are calling contaminated gas sold here in the Denver metro area.

If you think there are contaminants in your gas tank, then doing a flush may be necessary. If you want to do it yourself, here's what you need to know.