I have a 2003 Pontiac Vibe, which is basically a Toyota Matrix, with 135,000 miles on it. This past winter on a cold start it would knock for a minute or three, depending on how cold. A friend who is ...

One of the last noises you want to hear from under the hood of your car is a knocking sound. If you're familiar with engine knocks, you might immediately imagine having to pay thousands of dollars to ...

Q: I have a 2003 Pontiac Vibe with 135,000 miles on it. This past winter it would knock for a minute or so on a cold start. A GM tech told me that it has a cold piston slap and it will go for a long ...

Question: I have a 2001 Chevrolet Lumina with 48,000 miles on it, and a 3.1-liter V-6 engine. When the engine is cold, I can hear a knock, which sounds like a rod. When the engine warms up, the knock ...

I have a 2003 Pontiac Vibe with 135,000 miles on it. This past winter it would knock for a minute or so on a cold start. A GM tech told me that it has a cold piston slap and it will go for a long time ...