Recent articles

Why Does Motor Oil Viscosity Matter?
Motor oil viscosity determines how thick or thin the oil is. Multiviscosity oils make it unnecessary to change your oil for different seasons.
What Is the Purpose of Engine Gaskets?
Engine gaskets work as seals to maintain pressure, hold fluids, and prevent debris from entering the engine. Gaskets are vital for engine performance.
What Is the Difference Between a Diesel and a Gasoline Engine?
Gasoline and diesel engines use similar components but ignite fuel differently. Gasoline engines use spark plugs, while diesels rely on compression.
What Is the Difference Between a 4-Stroke and 2-Stroke Engine?
Four-stroke and two-stroke engines have similar components, but don't work the same way. Four-stroke engines are often found in off-road vehicles.
What Is Engine Braking?
Drivers can use engine braking to slow the speed of their engine and vehicle. Engine decompression helps your brakes last longer and car stop sooner.
What Does an Engine Inspection Entail?
An engine inspection is the first step in diagnosing engine problems. A pre-purchase engine inspection helps you know if a used car is a good deal.
What’s the Correct Lubricant to Use on Door Locks and Hinges?
Lubricate your door locks and hinges as part of regular car care and maintenance. Graphite powder and white lithium grease should be used differently.
What Does "Twin-Cam" Mean?
Twin-cam engines use two camshafts to operate the intake and exhaust valves. DOHC engines often have better power and efficiency than SOHC engines.
What Do the Belts on the Front of an Engine Do?
Car serpentine belts power multiple parts like the power steering pump and air conditioning. A broken engine belt can cause damage to components.
What Are the Risks of Switching to Synthetic Oil in Older Cars?
Older cars usually have to use conventional motor oil instead of synthetic motor oil. Switching to synthetic can cause engine leaks or engine damage.
How to Unfreeze Door Locks
Frozen door locks are a pain when you need to hit the road. Don't use hot water to fix frozen door locks. A hair dryer or de-icer is a better fix
How to Read a Motor Oil Label
Read an oil label to know the right type of oil to use in your car. Some new engines require synthetic oil, while older engines use conventional oil.
Where Is the O2 Sensor Located?
Oxygen sensors O2 sensors will always be located in the exhaust system. Their function is to sense how much oxygen remains in the exhaust that is flowing out of the engine, and report that...
How Your ECU Uses Sensor Data
Today’s modern vehicles are made up of anywhere from one to seven computers that assist with the car’s day to day functions. An engine control unit (ECU), is a computer that similar to that of...
What Sensors Make the ABS Work?
When we are discussing ABS systems it is good to note the year and make of your vehicle because ABS systems have evolved quite a bit over the years, but you also have...
What Does the Mass Airflow Sensor Do?
How often does the mass airflow sensor need to be replaced? Mass airflow sensors (MAF) have no expiration date. They are not included on the manufacturer’s scheduled maintenance list of things to replace...
What Happens to Sensors if They are Dirty?
A Check Engine Light comes on and you know you need to add a quart. You back up and hear that familiar beeping noise letting you know you’re close to the car behind you....
Can Sensors Be Cleaned or Do They Need to Be Replaced?
In most cases, sensors for your automobile will need to be replaced if they fail, but depending on the type of sensor and its location or function, some can be cleaned and reused. ...
What Is the Difference Between a Water-Cooled Engine and an Air-Cooled Engine?
There are a few main differences between a water-cooled and air-cooled engine. Air-cooled engines utilize an engine cylinder design that incorporates cooling fins all the way around the cylinder and on top of...
How Long Should an Engine Last?
A car engine can last hundreds of thousands of miles. Get your oil changed often and don't ignore car warning lights to make your engine last longer.
Writing Off Your Business Miles: A Crash Course
Track the miles you drive for work to deduct the cost from your taxes. Use a mileage log to give an accurate number to the government.
How to Keep Your Car Door Hinges from Squeaking
Like any other metallic component, car door hinges need lubrication. The door hinge, door check, and rubber seal are common sources for door noise.
How to Get a Car Door Latch Unstuck
If you are in a situation where you need to get your car door latch unstuck, or fix a stuck door latch, it may be due to rusty or bent components.
How Does an Engine Idle High and Low?
A common problem that car owners experience is high or low engine idle. A damaged intake gasket, cold air intake, or PCV valve can cause idle issues.
How Do Rotor Engines Differ From Regular Engines?
Rotary engines use three-sided rotors inside an oblong housing instead of pistons. Rotary engines create lots of horsepower, but aren't as efficient.