How Can We Get Better Fuel Mileage and More Car Questions From You Under The Hood
Under The Hood show
Under The Hood show Mar 5, 2026
How Can We Get Better Fuel Mileage and More Car Questions From You Under The Hood

How Can We Get Better Fuel Mileage and More Car Questions From You Under The Hood

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How Can We Get Better Fuel Mileage and More Car Questions From You Under The Hood
Ram 2500
Car

Ram 2500

The Ram 2500 is a big pickup truck that can carry and pull heavy loads. The 2024 version is the newest one with updated technology and engines.

Renault Wind
Car

Renault Wind

The Renault Wind is a small car with a roof that can open, making it fun to drive. People talk about how wind can affect how much gas it uses when driving fast.

Chevrolet Silverado
Car

Chevrolet Silverado

The Chevrolet Silverado is a big truck that many people use to carry heavy things or drive on rough roads. People talk about it because it can pull heavy loads and is good for many jobs.

Term

plug-in chips

Plug-in chips are small gadgets you can add to your car to try to make it faster or use less gas. But usually, they only help a little bit and might need you to use more expensive fuel.

Part

spark plugs

Spark plugs help your car's engine start and run by making tiny sparks. Over time, they wear out and need to be changed so your car runs smoothly.

Part

spark plug wires

Spark plug wires send electricity to the spark plugs so they can make sparks. If the wires get old, your car might run badly and need new ones.

Concept

fuel system cleaning

Fuel system cleaning is a process that cleans parts of your car that use gas to help it run better and save fuel.

Part

oxygen sensors

Oxygen sensors check how much air is in the car's exhaust to help the engine run better and keep pollution low.

BMW E88
Car

BMW E88

The BMW 1 Series is a small, fancy car that is fun to drive. Some people use a type of gas with more alcohol in it, which can be tricky for the car.

BMW E30
Car

BMW E30

The BMW 3 Series is a fancy car that is fun to drive and has nice features inside. It usually needs special, more expensive gas to run well.

Term

E85

E85 is a special kind of gas that has a lot of alcohol in it. Only certain cars made for it can use it safely.

Term

flex fuel

Flex fuel cars can use regular gas or special gas with more alcohol in it. They are made to work with both.

Term

yellow gas cap

If your car's gas cap is yellow, it means it can use special gas with more alcohol safely.

Ford F-250
Car

Ford F-250

The Ford F-250 is a big truck used for heavy jobs. The 2015 version can have a strong diesel engine called the 6.7 Power Stroke that helps it pull heavy loads.

Part

6.7 Power Stroke

The 6.7 Power Stroke is a strong diesel engine that helps big trucks like the Ford F-250 pull heavy things. It uses special parts to make a lot of power and run efficiently.

Term

compression test

A compression test checks how strong the engine's cylinders are by measuring the pressure inside them. This helps find out if parts inside the engine are worn out or broken.

Part

glow plug

Glow plugs help diesel engines start when it's cold by warming up the engine. You can take them out to check how strong the engine's cylinders are.

Concept

salvage units

Salvage units are cars or trucks that got damaged and are taken apart to use their parts. Checking the engine's strength helps decide if parts are still good to use.

Concept

low sulfur diesel fuel

Diesel fuel with less sulfur is better for the environment but can make engine parts wear out faster unless you add special liquids to protect them.

Company

Hot Shot Secret

Hot Shot Secret makes special liquids you add to diesel fuel to help keep engines clean and working well.

Term

EDT (Everyday Diesel Treat)

EDT is a liquid you add to diesel fuel to help keep the engine parts clean and stop them from wearing out.

Term

emission system cleaning

Emission system cleaning is like giving your car's exhaust parts a good wash to help it run cleaner and pollute less. It can fix problems caused by dirty parts.

Part

injector

An injector is a small part that squirts gas into the engine so it can run. If it gets dirty, the car might not work well.

Company

Hot Shot's Secret

Hot Shot's Secret makes special liquids you add to your car's fuel to help it run better and stop warning lights. People use it to fix problems without going to a mechanic.

Term

OEM wheels

OEM wheels are the wheels that come with your car when it's new. They usually fit perfectly but can cost more than other wheels you can buy.

Term

TPMS sensors

TPMS sensors are little devices in your tires that tell you if your tires don't have enough air. This helps keep you safe while driving.

Concept

car-part.com

Car-part.com is a website where you can find used car parts from many different sellers. It helps you get parts for your car, even if it's an older one.

Nissan Frontier
Car

Nissan Frontier

The Nissan Frontier is a smaller truck that is good for everyday work and doesn't cost too much. Older ones might need some extra care to keep running well.

Term

ABS light

The ABS light is a warning on your car's dashboard that tells you if the anti-lock brakes might not be working properly. Anti-lock brakes help keep your car from sliding when you brake hard.

Part

wheel hubs

Wheel hubs are the parts in the middle of your wheels that hold them onto the car. They also have sensors that help the car know how fast each wheel is turning.

Term

ABS sensors

ABS sensors are small parts that check how fast your wheels are spinning. They help the car stop safely without the wheels locking up.

Concept

EV write-offs

When a car company spends money on electric cars but things don't go well, they have to count that money as lost. That's called an EV write-off.

Brand

Stellantis

Stellantis is a big car company that owns brands like Jeep and Dodge. They make many different cars and trucks.

Concept

electric vehicles (EVs)

Electric vehicles are cars that run on electricity instead of gas. They use big batteries to move.

Jeep Wrangler
Car

Jeep Wrangler

The Jeep Wrangler is a tough car that can drive on rough paths and is good for outdoor adventures. There's a new version that uses both gas and electricity to save fuel.

Ford F-150 Lightning
Car

Ford F-150 Lightning

The Ford F-150 Lightning is a big truck that runs on electricity instead of gas. It can do the same jobs as regular trucks but is better for the environment.

Brand

Tesla

Tesla is a company that makes electric cars, which run on batteries instead of gas. They are very popular and helped make electric cars mainstream.

Chevrolet Bolts
Car

Chevrolet Bolts

The Chevrolet Bolt is a small car that runs only on electricity, so it doesn't use gas. People talk about its battery because it needs to be taken care of to keep the car working.

Concept

hybrid battery technology

Hybrid cars use both gas and electric batteries to help save fuel. The battery technology helps the car go farther and use less gas.

Toyota T100
Car

Toyota T100

The Toyota T100 is an older big truck that many people liked because it was simple and worked well. Some people replace it with newer trucks that have more modern features.

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