#2618: Who, What or How but Never All Three
The Best of Car Talk
The Best of Car Talk Mar 3, 2026
#2618: Who, What or How but Never All Three

#2618: Who, What or How but Never All Three

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37:09
#2618: Who, What or How but Never All Three
Volkswagen Rabbit Diesel
Car

Volkswagen Rabbit Diesel

The Volkswagen Rabbit Diesel is a small car from 1979 that uses diesel fuel, which helps it use less gas and go farther. It's a popular older car that some people still drive today.

Term

plugging in a car

Plugging in a car means you connect it to electricity to help it start better when it's very cold outside.

Brand

Volkswagen

Volkswagen is a big car company from Germany that makes many different types of cars.

Brand

Fiat

Fiat is a car company from Italy that makes small and stylish cars.

Brand

Alfa Romeo

Alfa Romeo is a car company from Italy that makes sporty and good-looking cars.

Saab 900 Turbo
Car

Saab 900 Turbo

The Saab 900 Turbo is a car from the 1980s that has a special engine part called a turbocharger to make it go faster. It's a unique and older model that some people like to keep and drive.

Saab 900
Car

Saab 900

The Saab 900 is a car made by a Swedish company called Saab. The 1984 version has its engine placed in a way that is different from most cars, which can make working on it a bit unusual.

Part

air filter

The air filter is like a screen that cleans the air before it goes into the car's engine, so the engine stays healthy and runs well.

Part

CV joint

The CV joint is a part that helps the wheels turn and move up and down without breaking. It makes sure the car can drive smoothly even when you turn the steering wheel.

Part

motor mount

A motor mount holds the engine in place and stops it from shaking too much. If it breaks, the engine can move around and cause problems.

Part

shift linkage

Shift linkage is the part that connects the gear stick to the car's transmission so you can change gears. If it gets moved or broken, the car might not shift properly.

Term

automatic transmission

An automatic transmission is a system in a car that changes gears by itself so the driver doesn't have to do it manually. This makes driving easier, especially in stop-and-go traffic.

Part

neutral safety switch

This part makes sure your car only starts when it's safe, like when the gear is in neutral or park, so the car doesn't jump forward or backward unexpectedly.

Part

ignition switch

This is the part you turn or press to start your car, which powers up everything needed to get the engine running.

Part

solenoid

It's a small part that helps start your car by connecting the battery to the starter motor when you turn the key.

Mercury Grand Marquis
Car

Mercury Grand Marquis

The 1988 Mercury Grand Marquis is a big, comfortable car made by Mercury, which is part of Ford. It was known for being roomy and easy to drive.

Term

gas leak

A gas leak means fuel is escaping from your car somewhere it shouldn't, which can smell bad and be dangerous because fuel can catch fire.

Part

injectors

Injectors are parts that put fuel into the engine so it can run. They make sure the right amount of fuel gets in at the right time.

Term

smog check

A smog check is a test to see if a car is making too much dirty smoke or pollution. Cars need to pass this test to be allowed on the road.

Term

unburned hydrocarbons

Unburned hydrocarbons are bits of fuel that didn’t burn inside the engine and come out as pollution. They can make the air dirty and cause smog.

Toyota Corolla
Car

Toyota Corolla

The Toyota Corolla is a small car that many people use because it is reliable and doesn't use much gas. The 1988 Corolla is an older version from the 1980s.

Brand

Honda

Honda is a company that makes cars and motorcycles. They are known for making vehicles that last a long time and are easy to take care of.

Geo Prism
Car

Geo Prism

The Geo Prism is a small, simple car from the early 1990s that was made to be reliable and easy to drive. It’s good for people who want a car that doesn’t cost a lot to fix or use a lot of gas. A 1992 one with 135,000 miles means it’s been driven a lot but could still work well if taken care of.

Part

spark plug wire

A spark plug wire is a cable that sends electricity to the spark plug, which helps start the engine by making a small spark.

Part

igniters

Igniters help control when the spark happens in the engine, making sure the engine runs smoothly.

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