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How Turbo Wastegates Work, And What Happens If They Stick
Turbo wastegates help your car's turbocharger spin at just the right speed. But if they get stuck, a legion of bad consequences will follow.
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What Is Double Clutching (And What's The Point)?
Fewer and fewer cars shift manually, but it's still as good to know about double clutching today as when Vin Diesel boosted it in "The Fast and the Furious."
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Direct Injection Engines: Why Carbon Buildup Happens (And How To Prevent It)
Fuel injection offers drivers increased efficiency and power. But there's a common problem, too: carbon buildup on the engine's intake valves.
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What You Need To Know About Engine Oil Additives Like Seafoam And Lucas
Engine oil additives make all sorts of promises about helping your vehicle's motor last longer and increasing your gas mileage. Here's what you need to know.
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How To Tell If Your Brake Pads Are Glazed
Are your brake pads glazed like a hot Krispy Kreme doughnut? There are lots of warning signs. Here's how to tell if your brake pads are glazed.
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Why Are High Voltage Cables Orange On Electric Cars?
If you've ever taken a peek under an EV's hood, you've seen an array of brightly colored cables. Why are the high-voltage cables orange on electric cars?
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Tire Repairs: Which Areas Can Be Patched And Which Can't
New tires aren't cheap, so is getting a patch a viable option? The answer is complicated because it depends on a few factors. Here's what you need to know.
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Do Performance Spark Plugs Add Horsepower?
Spark plugs play a pivotal role in how your vehicle operates, but will upgrading to performance spark plugs increase horsepower? Here's what you need to know.
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Why Some Tailpipes Drip Water, And When It's A Bad Sign
If you see water dripping from your tailpipe, it could be totally normal. Or it could foreshadow catastrophe. Here's how to tell the difference.
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Here's How Electrolysis Can Destroy Your Car's Cooling System
This electrolysis has nothing to do with getting rid of unwanted hair. It's a problem that can rot your car's cooling system from the inside out. Here's how.
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How To Restore Your Sticky Dashboard
If your car's dashboard has gotten sticky from sun exposure, fast-food meals, and kids' messes, what's the best way to restore it? Here's how to do it.
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How Long Do EV Batteries Really Last Compared To Gasoline Cars?
If you choose to buy a new EV you can rest easy knowing that long-term battery degradation is less of an issue than ever before.
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What Is That Little Button On Your Car's Seat Belt For?
The purpose of the big orange button on your car's seat belt is obvious: It's how you lock and unlock it. But what's the little black button for?
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Here's What Will Happen If Your Car's Alternator Goes Out While Driving
Your car's alternator is one of the keys to what makes the vehicle run. So what happens if the alternator goes out while you're driving? Nothing good.
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What Causes The Steering Wheel To Lock Up While Parked?
If you've tried to move your steering wheel recently while your vehicle was parked, you've probably noticed it: you can't. Why does the steering wheel lock up?
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How Long Can A Car Wrap Last (And What Is The Best Way To Take Care Of It?)
Car wraps can make your ride look distinctive and special, but they don't last forever. How long do they last? And how should you care for them?
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Your Car's Engine Bay Is A Plastic Mess And Here's Why
Why is there so much plastic on today's cars, and especially in the engine bay? There are lots of reasons, but in the end they boil down to one thing.
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How Exactly Does A Run Flat Tire Work?
Our grandparents would agree that they're a modern miracle: tires that keep on turning even when they're flat. But how exactly does a run flat tire work?
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Summer Blend Vs. Winter Blend Gas: What's The Difference?
Summer and winter blends are in place to protect American citizens' right to clean air regardless of their region's population density and weather conditions.
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Yes, The Audi Q4 E-Tron Really Does Have Drum Brakes
In an era when disc brakes have pretty much displaced drum brakes, it's a bit of a shock that the Audi Q4 E-Tron has drums. And it's not alone. Here's why.
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What Is Rev Matching, And Is It Really Necessary?
Drivers of cars with manual transmissions may do something called "rev matching." But what, exactly, is it? And do manuals' drivers really need to do it?
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What Makes The Dodge Hellcat Supercharger Sound So Loud?
Dodge's Hellcat supercharger has been around for a decade, and its trademark high-pitched whining has no shortage of fans and detractors. What makes it so loud?
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Why Your Daily Driver Can't Rev Like A Supercar
Why does a Bugatti rev up to 9,000 rpm while a Camaro hits its redline at 5,500? Your daily driver is built differently than a supercar. Here's what we mean.
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What Does Honda's Econ Mode Actually Do?
From the term "Econ" you can probably guess what Honda's Econ mode is meant to do. But what does it do to reach its goal of helping you economize?
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The Reason French Cars Had Yellow Headlights For Decades
From 1937 to 1993, the French government required all cars sold in the country to feature "selective yellow lights" for all forward-facing roadway illumination.
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Yes, Some Semi-Truck Drivers Still Thump Their Tires, Here's Why
Sometimes a low-tech solution is more than enough to get the job done.
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The Reason So Many Exotic Cars Have Montana Plates
The Treasure State doesn't levy a state sales tax or conduct vehicle inspections or emissions tests.
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