First, some business: I’m seeking more questions for this column, so I need you to email me ([email protected]) with any ...

Q. You have written about the diesel-type noise found in gasoline engines called piston slap but I don’t recall you writing about the cause. Also, would a certain type of oil help this condition? D.S.

Q. I am writing to you about the problem you answered for another reader (Transportation, Dec. 23) regarding a noise from the engine when started cold. You said that it may be piston slap and that it ...

QUESTION: I have a 2006 Honda Accord four-cylinder with 105,000 miles. It has developed a clicking engine noise on a cold start. After the car has warmed up, the sound goes away. I have seen ...

ABSTRACT A new piston secondary motion analysis has been developed that accurately predicts piston strength and the slap noise that occurs when the engine is running. For this secondary motion ...

Q I have a 2006 Honda Accord four-cylinder with 105,000 miles. It has developed a clicking engine noise on a cold start. After the car has warmed up, the sound goes away. I have seen references to a ...

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 ...