Your engine’s timing system keeps pistons and valves moving in perfect harmony, but when it’s off, performance drops and damage looms. From rattles to check engine lights, early warning signs can save ...

Your engine’s timing chain keeps everything in sync — when it wears, the results can be catastrophic. From rattles at startup to rough idling and misfires, early warning signs are your best chance to ...

QUESTION: You often talk about timing belts vs. timing chains. How can I tell which my car has, and when I should change it? We have a 2002 Nissan Altima six-cylinder with 106,000 miles, a 2005 ...