Can Oil and Gas Ruin Your Engine? How Can You Fix That?
Under The Hood show
Under The Hood show Mar 18, 2026
Can Oil and Gas Ruin Your Engine? How Can You Fix That?

Can Oil and Gas Ruin Your Engine? How Can You Fix That?

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Can Oil and Gas Ruin Your Engine? How Can You Fix That?
Toyota Venza
Car

Toyota Venza

The Toyota Venza is a medium-sized SUV made by Toyota. It is good for driving in different weather and carries people and things comfortably. It is easy to drive like a car but has more space.

Ford F-250
Car

Ford F-250

The Ford F-250 is a big pickup truck that can carry heavy loads and tow trailers. The 2011 version can have a diesel engine, which uses diesel fuel and is good for power and long-lasting use.

Term

diesel

Diesel is a kind of fuel used in some engines that helps trucks and big vehicles run better and use less fuel. These engines are strong and good for pulling heavy things.

Term

engine lock-up

Engine lock-up means the engine gets stuck and can't move or start. This usually happens if parts inside the engine break or don't get enough oil.

Part

oxygen sensor

Oxygen sensors check how much oxygen is in the car's exhaust to help the engine run better and cleaner. There are sensors before and after a part called the catalytic converter.

Part

intake manifold

The intake manifold is a part that sends air into the engine so it can burn fuel and make power. If it leaks, the engine might not run well and oil can leak out.

Company

Dorman

Dorman is a company that makes replacement parts for cars and trucks. If a part breaks or leaks, you can buy a Dorman part to fix it.

Car

Ford 5.4 liter Windsor engine

The Ford 5.4 liter Windsor engine is a type of V8 engine used in big trucks like the F-450. It is strong but sometimes has problems with parts leaking or wearing out.

Concept

aftermarket parts

Aftermarket parts are car parts made by other companies, not the car maker. They can be cheaper or better than the original parts.

Part

torque converter

A torque converter helps your car move smoothly by connecting the engine to the transmission. It lets the car stop without the engine dying and helps you speed up more easily.

Part

drive shaft

The drive shaft is a long spinning part that helps send power from the engine to the wheels. If it has problems, you might hear noises when the car moves.

Part

coil

The coil is a part in your car that helps make the spark to start the engine. It changes the car battery's power into a strong spark that lights the fuel.

Part

spark plug

A spark plug is a small part that makes a spark to light the gas inside the engine so the car can run.

Term

plug fouled

A fouled plug is a spark plug that is dirty or clogged, so it can't make a good spark to start the engine.

Concept

leak down test

A leak down test checks how much air leaks out of the engine's cylinders to find out if parts inside are worn or broken.

Term

compression

Compression is the squeezing of air and fuel inside the engine to make it ready to burn and power the car.

Term

turbo

A turbo is a part that helps a car's engine make more power by pushing extra air into it. This means smaller engines can be strong and use less gas.

Term

displacement

Displacement is how big the engine is inside. Smaller engines use less gas but might not be as powerful unless they have special parts like a turbo.

Term

maintenance interval

Maintenance interval means how often you should do regular check-ups or part replacements on your car to keep it running well.

Term

V6 engine

A V6 engine is a type of car engine that has six cylinders shaped like a V. It helps the car have good power and run smoothly.

Term

warranty

A warranty is like a promise from the car maker or mechanic that if something goes wrong with your car part or repair soon after, they'll fix it for free.

Term

differential fluid

The differential has special oil inside that helps it work smoothly. Checking this oil can tell if the differential is healthy or has problems.

Term

additive

Additives are special liquids you can put in your car's oil or fluid to help it work better or fix small problems.

Concept

agreed value coverage

Agreed value coverage means your insurance company and you agree on how much your car is worth before anything happens, so you know exactly what you'll get if it's damaged.

Concept

car club membership discounts

If you belong to a car club, you might get cheaper insurance or special deals because of it.

Company

Berkeley One Classics

Berkeley One Classics is a company that sells insurance to protect special and old cars and other vehicles.

Concept

parts recycling network

Parts recycling means finding used car parts that are still good to use, which can save money when fixing your car.

Chrysler Town and Country
Car

Chrysler Town and Country

The Town and Country is a type of family van made by Chrysler that many people use to carry lots of passengers and stuff.

Company

Carfax

Carfax is a service that tells you the history of a used car, like if it was in accidents or had repairs, so you know what you're buying.

Brand

Cummins

Cummins makes strong diesel engines that help trucks pull heavy loads and last a long time.

Term

electric pallet jack

An electric pallet jack is a small machine that helps move heavy stacks of goods in places like warehouses, using a motor to make it easier.

Part

lithium ion batteries

Lithium ion batteries store energy to power things like electric cars. They last longer than older types of batteries but still wear out after some years.

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