Q: Help! My car has a problem that causes the check engine light to be on all the time. My repair shop said it's caused by a leak somewhere around the fuel tank and they can't seem to find it. They ...

There's a lot going on inside your vehicle at any given time, whether you're idling at a red light or driving at freeway speeds. Much of this activity involves chemical reactions that — while ...

Some 2005-09 Scion tC models may turn on the check engine light and store one or more EVAP system trouble codes in computer memory. The codes you might encounter are P0455 and P0441 together, or P0456 ...

Finding and fixing vacuum leaks in a vehicle can be one of the most frustrating and time-consuming parts of automotive troubleshooting. A tiny crack in a hose or an EVAP leak can cause rough idle, ...