Do you have white smoke from your exhaust? Here’s a rogue’s gallery of possible reasons that the head gasket monster has visited terror upon your engine.

Get hands-on as we dive into serious garage mods on this Subaru WRX! In this session, we’re uninstalling the exhaust, replacing those leaky valve cover gaskets, and prepping the new setup with ...

Problems with your vehicle’s catalytic converter might first become apparent through poor acceleration, a rotten-egg smell from the exhaust, or the check-engine light coming on.