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 ...

Engine knocking, or detonation, occurs when fuel in the cylinders ignites unevenly, causing metallic pinging sounds, red ...

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 ...

A knocking sound from the engine often triggers worst-case assumptions, but piston slap is a far more common—and usually less dangerous—culprit. It occurs when a piston lightly contacts the cylinder ...

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 ...

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 ...

Customers may be impressed with the fuel economy provided by either a four-cylinder or a diesel engine, but they may not be bowled over by the acoustic properties. To reduce -- or in some cases, ...

Imagine you’re driving along and coming up behind you, you spy the large chrome kidney grilles of a fancy looking BMW X5. With glistening paint it looks like it just rolled off the assembly line ...

USA: Class action lawsuit filed over ‘knocking’ GM engines – report General Motors has quietly repurchased dozens of full-size pickup trucks and sport utility vehicles, its most profitable models, ...