What “DOHC” on Your Engine Cover Really Means—and How It Differs From SOHC
Pop the hood on many modern cars and you’ll likely see large letters spelling out DOHC right on top of the engine.
Helpful for Many Drivers: Mechanic Explains What Really Causes Sway Bar Links to Fail
Sway bar links are among the most common suspension components to wear out — but not everyone understands why they fail or how long they’re supposed to last.
Not All Drivers Know the Difference: 4WD and AWD May Sound Similar, but There Are Key Differences
Many all-wheel-drive vehicles carry 4WD or AWD badges—but the two systems aren’t the same.
Why Your Car’s Fuel Sensor Always Seems to Mislead You — Here’s What’s Really Going On
Fuel gauges aren’t perfectly accurate, and there are clear technical reasons why they can’t always tell the truth.
U.S. Scraps Rules That Backed Start-Stop Systems, Creating New Headaches for Automakers
It remains unclear how automakers will respond to the rollback and what it could mean for future vehicle technology.
What Happens If You Press the Electronic Parking Brake (P) While Driving? Here’s What You Need to Know
Thousands of drivers wonder what happens if the electronic parking brake is pressed while driving, and whether it’s actually safe.
Start-Stop System Falls Out of Favor: U.S. Automakers Lose Incentives for Installing It
The U.S. will no longer grant incentives to automakers for equipping vehicles with Start-Stop systems.
Million-Mile Motors: Five Engines That Outlast the Cars They’re In
Buying a used car always comes with risks. You could easily end up with a vehicle hiding a worn-out engine that turns ownership into a headache.
Yuchai Unveils Generator with 4.8 kWh/L Efficiency — Fuel Savings Up to 50%
The system integrates a flywheel with the engine crankshaft, combining the power source and generator into a single unit.
Old-Timers Know, but Some Mechanics Only Heard About It: What a Distributor Is, How It Works, and Why It’s Needed
Everything you need to know about the distributor: what it is, what it does, whether it’s still used today, and if you can install one.
The Dark Side of Start-Stop: How Much Fuel Do You Really Need to Save to Pay for Engine Repairs
Stop at a light, the engine shuts off. Green light—engine restarts and you drive away. Sounds perfect, right?
Americans Reminded What’s Better: A Traditional Automatic or a Modern CVT
Many car buyers still look down on CVTs and try to avoid vehicles equipped with them
Ford Upgrades the Mustang Without Aftermarket Tuners: Factory Exhaust Gets Louder and Lighter
Ford has unveiled new performance exhaust systems for the EcoBoost-powered Mustang.
Is Your Car's Start-Stop Feature Helping or Hurting: Am I the Only One It Annoys?
Most modern vehicles come with auto start-stop systems that shut off the engine at stops, but drivers remain divided.
Why a CVT Can Be Better Than a Traditional Automatic: Three Reasons to Rethink Continuously Variable Transmissions
Many drivers still shy away from CVTs out of habit. They’re often seen as delicate, high-maintenance gearboxes that demand constant attention.