Sound coming from your engine bay is typically very normal, as it means the engine is working and providing power to help move your vehicle. Most drivers have an idea of what their vehicle should ...

Engine knock is the sharp, metallic sound that cuts through the hum of a healthy engine. At its core, engine knock is a problem of timing. In a knocking engine, parts of the air-fuel mixture don't ...

There are a million and one things that could go wrong with a car engine. In old times, it was solely up to the owner and/or technician to drudge through possible issues until they determined what was ...

I drive a 2005 Toyota 4Runner SR5 with 85,000 miles on it. Other than routine repairs, the vehicle has been trouble-free for all the years I've owned it. About two months ago, the check engine light ...

The automotive industry continues to be a hotbed of innovation. Activity is driven by the need for improving the vehicle’s fuel efficiency, reduction in harmful gas emissions, and enhanced driving ...

The engine’s knock sensor (or sensors) detects preignition and detonation, potentially damaging forms of abnormal combustion. Though full-blown knocking and pinging are audible to the human ear, the ...