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 ...

What you haven’t told me is whether your car is a petrol or diesel Captiva. The two engines have very different ways of operating and both can make very different noises depending on what’s going on ...

I own a diesel Vauxhall Astra (2005 model). When driving, the car judders as it pulls away and makes a knocking noise. The sound and judder stop when I push the clutch in. Any idea what could be wrong ...

Engine knocking can result from one of several issues involving your engine. Whatever is causing it, it must be dealt with immediately so it doesn't become any worse. The knocking is a warning sign ...

Failure to fix the cause of certain sounds from the engine will lead to engine damage. Report the sounds to a mechanic who will then investigate the source and cause and have it fixed. Photo by Edgar ...

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 knocking, or detonation, occurs when fuel in the cylinders ignites unevenly, causing metallic pinging sounds, reduced power, and potential engine damage. Key causes include low-octane fuel, ...