That rhythmic knock under the hood could mean five very different things.

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 ...

If your Kia or Hyundai engine just started making a loud knocking sound, don’t panic. You might be eligible for a free engine replacement due to a massive engine recall. Featured Video A viral TikTok ...

I drive a 2009 Honda Pilot Touring 4WD. I hear some knocking when I start the engine. It eventually becomes relatively quiet after a minute or two. Would it be a good idea to start using synthetic oil ...

An auto mechanic assessing a 2019 Infiniti with engine noise first chided the customer for trying to make up for running it low on oil by overfilling it and then sought to diagnose it. Featured Video ...

My Subaru Impreza – ‘03 RS model (2.5l) - has begun to make a knocking noise (similar to a diesel engine) during start up in the morning. It slowly fades as the car warms up. The only think I can ...

Q: I’ve got a 2005 Honda Accord V-6 with only 78,000 miles on it. I have changed the oil religiously according to the owner’s manual from the day I purchased it new. Within this last year it has ...

I'm driving a 2006 Ford Focus 2.0Si. It's got a knock in the engine as I'm driving. The more I accelerate, the more the noise in the engine. Do you know what could be the cause? Also note that there ...

I have discovered an engine knocking noise and severe diesel blow-by problem in my 2015 Nissan X-Trail 1.6-litre diesel. Do we spend $10,000 for a second-hand engine and have that fitted? The car has ...

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 ...