You roll up to a stop sign and your chest tightens with dread. Whenever you accelerate, your engine sputters, backfires, and in general sounds horrible. Plus your car smells awful. All of these ...

The purpose of your engine is to compress fuel and air and then ignite it, creating heat energy that then makes mechanical motion. If your engine can't compress the air and fuel properly, the engine ...

Answer:The first thing to check for is a restricted exhaust. This can be caused by a clogged catalytic converter or muffler, or a kinked tailpipe. A restricted exhaust prevents the engine from ...

Horse Sense: In addition to the exhaust and cold-air intake, Ford Racing Performance Parts (www.fordracingparts.com) offers a number of upgrades for the Focus ST, including a short-throw shifter, ...