From affordable factory replacements to high-end separates, there’s a set of car speakers for every goal—and every budget.
Learn how a cat-back exhaust boosts power, sound, and efficiency—plus what to buy, how to install it, and why it’s legal.
Octane boosters are chemical additives that increase a fuel’s octane rating. There are several legitimate reasons to use them.
A clogged or failed MAP sensor can cause many issues. Fortunately, it's relatively easy to replace a MAP sensor.
A bad power steering pump makes a vehicle hard to steer. Learn about trouble symptoms and how to replace a faulty unit.
The MAF sensor is arguably the most critical one in your engine. Many aspects of engine control are based on its readings.
The biggest issue with driveshafts, other than U-joint problems, is balance. Here's what you need to know about balancing a driveshaft.
A leak down test will show you how much compression each cylinder has and how well the cylinder is sealing.
Replacing the struts that hold up your hood is an easy DIY task. See our replacement guide for when they’re no longer doing the job.
Replacing a fuel pump is a moderate job for most DIYers. It takes three to five hours and requires no special tools.
FWD vehicles use CV axles exclusively. Most modern AWD and RWD cars with independent rear suspension use them as well.
Even if a spark plug says it is pre-gapped, that gap may not be correct for your vehicle. New spark plugs need to be gapped.
Don’t ignore a vibration until you have determined it's not a significant issue. This guide covers the most common causes.
Over time, all fuel injectors eventually clog up with carbon deposits and debris from the fuel system.
Your radiator ensures the engine operates within a specific temperature range. Get advice about radiator leaks and how to fix them.
Diesel engines use glow plugs to heat the engine enough for diesel fuel to ignite. See our guide glow plug types and fixing problems.
If the coolant temperature sensor fails, your engine will be less efficient and could even blow up. Here’s what you need to know.
A cold air intake is a great way to boost horsepower and efficiency. Our guide explains cold air intake parts and how to build one.
When steering gets heavy, the power steering system needs immediate attention. The problem probably relates to power steering fluid.
Recharging a car's AC system is a straightforward task. But you must have the right tools and chemicals. Here's what you need to know.
Light-duty cleaning can be done with the carburetor on the engine. See our guide to carburetor maintenance.
