My first experience with the term “detonation” came from an Air Force training film. It opened with a shot of a B-25 (it was an old film) that was taking off, but apparently ran into trouble because ...

Dear Doctor: I own a 2005 Ford Freestar that I purchased with 11,000 miles, and it has always run fine. I recently took it on a 700-mile trip. At highway speeds the engine developed an engine ping. I ...

Question: Being one of those who marvels every time I turn the switch and the car starts, I would like to know why some vehicles need higher-octane gasoline. Jeffrey Tom: The simple answer is to stop ...

With a price difference of 24.4 cents between regular and premium gasoline on national average, many people are left wondering if they can save at the pump by filling up their gas tank with ...

It should run on 91-octane fuel without pinging; the knock sensor should ensure that it doesn't occur. Running it on higher-octane fuels makes it less prone to pinging, and again the knock sensor ...

Does your street-driven car ping now when it didn't use to? It may be suffering from octane creep caused by deposit buildup inside the combustion chambers. New engines on the dyno and regularly ...

We contacted Holden about your concerns and received the following response from its spokesman John Taylor. John told us that there was no direct relationship between oil consumption and engine ...

Senior Editor Mike Allen answers readers' car questions. Q: I backed my truck in to a white steel post (right rear quarter panel). It didnt really dent or scratch the truck, but it left about a foot ...