Q I have a 2005 Ford Explorer V6 with 75,000 miles. The engine knocks when first started in cold conditions. As it warms up, the knocking dissipates. I tried using synthetic oil, but it hasn't helped.

Toyota is recalling 126,691 trucks and SUVs in the United States after discovering that machining debris left inside certain V35A engines can cause sudden engine failure while driving. The defect, ...

Engine knock, wherein fuel ignites unevenly along the cylinder wall resulting in damaging percussive shockwaves, is an issue that automakers have struggled to mitigate since the days of the Model T.

The automotive industry continues to be a hotbed of innovation. Activity is driven by the need for improving the vehicle’s fuel efficiency, reduction in harmful gas emissions, and enhanced driving ...