#2656: Remote Nonstarter
The Best of Car Talk
#2656: Remote Nonstarter The Best of Car Talk · Jul 14, 2026
#2656: Remote Nonstarter

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#2656: Remote Nonstarter
91 Lexus LS 400
Car

91 Lexus LS 400

A 1991 Lexus LS 400 is a luxury car. Here, the problem is with the power steering—it's losing fluid and the steering system acts up unless the fluid level is topped off.

Term

reservoir

The reservoir is the container that stores power steering fluid. If the level is too low, the pump can pull in air, and then the steering system won’t work smoothly.

Term

air

Air in the power steering system can cause the steering to feel noisy or weak. Even if the reservoir has fluid, air bubbles can prevent the system from working the way it should.

Term

pump

The pump is what moves and pressurizes the power steering fluid. If it sucks in air, the steering system can act up and make noise even if there’s some fluid in the tank.

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power steering hose

Power steering uses fluid to help turn the wheel. A power steering hose is one of the tubes that carries that fluid—if it leaks, the steering can feel wrong and the system can make noise.

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front seal

A front seal is a sealing surface near the front of a component (here, the power steering pump) that prevents fluid from escaping. If the seal fails, power steering fluid can leak and the system may also draw in air, leading to poor steering feel.

Term

rack and pinion

Rack and pinion is the main steering mechanism that turns the wheel into sideways movement. If it leaks, the power steering can lose fluid and start behaving badly.

Term

power steering fluid

Power steering fluid is the special liquid that helps your steering work smoothly. If it leaks or gets contaminated with air, the steering can feel stiff or start acting up.

Term

automatic

“Automatic” means the car changes gears by itself. Instead of you using a clutch and gear lever, the transmission uses its own controls to shift.

Term

RPMs

RPMs tell you how fast the engine is spinning. If the RPMs climb and then the car suddenly shifts, it can point to a problem with how the automatic transmission is timing the gear change.

Term

upshift

An upshift is when the automatic transmission goes into a higher gear. If it happens roughly or with a loud noise, something may be wrong inside the transmission or with fluid level/condition.

Term

miles

Miles are how far the car has been driven. More miles usually means more wear, but maintenance history matters a lot too.

Term

transmission

The transmission is what changes gears in your car so it can drive smoothly at different speeds. City driving usually makes it shift more frequently than highway driving.

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hose clamp

A hose clamp is like a small metal belt that squeezes a hose tight so it doesn’t leak. Here, they’re saying a cheap clamp might stop a minor leak.

Term

drain plug gasket

When you change the oil, there’s a plug at the bottom of the oil pan. A gasket is a thin seal that helps stop oil from leaking around that plug.

Term

oil pan

The oil pan is the part under the engine that holds the engine oil. When you drain the oil, it comes out through a plug in this pan.

Term

motor oil

Motor oil is the fluid that lubricates the engine so metal parts don’t grind against each other. During an oil change, you remove the old motor oil and put in new oil.

Term

crankcase

In an engine, the crankcase is the bottom part where the crankshaft sits and where oil collects. When you hear people talk about “engine oil,” it’s usually sitting in this area.

Concept

vacuum cleaner connection

They’re talking about using a regular vacuum cleaner hose to pull on the engine area. That’s not a proper tool for oil service, and if it doesn’t seal well you can still make a mess or cause problems.

Term

remote starter

A remote starter is a device that lets you start your car without getting in. In winter, it helps warm things up so you’re not sitting in a cold car when you arrive.

Concept

aftermarket

Aftermarket just means something added to the car after it was originally made. Here, it’s the remote starter being installed after purchase.

Term

alarm system

Alarm systems are gadgets that help protect your car from theft. They can detect when someone opens the car or tries to break in and then set off an alarm.

Term

chassis ground

Cars use the metal body as part of the electrical circuit. If the connection to that metal “ground” is loose or corroded, the car can act totally dead because electricity can’t complete its path.

Term

ground path

The ground path is the “return route” for electricity back to the battery. If that return route is bad, lots of electrical things won’t work, even if the battery is fine.

Term

return path

A return path is how electricity gets back to the battery to finish the circuit. If the return path is faulty—often due to a bad ground—things like lights and wipers may stop working.

Term

little Eddie

“Little Eddie” is just a funny name the hosts use for the idea of the electrical “return” that lets the car’s electronics work. If the return path is missing, the car can seem completely dead.

Term

Eddie Electron

“Eddie Electron” is a joke name for the electricity/current in the car. The key idea is that electricity has to go out and then come back through the right path, or nothing works.

Term

bad ground connection

“Ground” is the car’s main electrical return path. If that connection is loose or corroded, the car may not start reliably, and some parts can overheat because the electricity isn’t flowing the way it should.

Term

check engine light

That light means your car’s computer noticed something wrong. It doesn’t tell you exactly what’s broken, but it’s a sign you should get it checked.

Term

fuel filter

The fuel filter is like a strainer for gasoline. If it gets clogged, the engine may not get the right amount of fuel.

Term

scan the thing

“Scanning” means plugging in a tool that reads the car’s computer messages. It helps a mechanic figure out why the warning light is on.

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