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 ...

Engine knock is not a single problem — there are at least four distinct types, each with a different cause and a different level of urgency. The pinging sound that appears only under hard acceleration ...

Knock sensors are devices used in internal combustion engines to detect engine knock or detonation. The knock sensor detects vibrations and sends a signal to the engine control module (ECM), to ...

Our cars can make some pretty strange sounds. If you drive them for long enough, you'll most likely experience some fairly unsettling noises at some point or another. While any unusual sound coming ...

Detonation is probably a hot rodder's worst enemy. It's also been called ping, the death rattle, or just plain spark knock, but by whatever name, detonation is a big killer. When you hear a noise that ...

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 ...

Starting with 2015, a series of recalls have been conducted by South Korean car companies Hyundai and Kia on account of faulty engines that are some instances were known to catch fire. As it appears, ...

Dyno tuning is great. But, a dyno-tuned engine can't always be tuned for the stress it might see on the street, let alone something like the continued abuse of, say, a track day. This is especially ...

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

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 ...