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Call a live radio show and get your car repaired over the phone?

Call a live radio show and get your car repaired over the phone?

Under The Hood show Dec 08, 2025 40 min
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About this episode

Listeners are treated to a lively discussion on automotive topics, including the rollback of fuel economy standards and its implications for vehicle pricing. The hosts, Russ Evans and Shannon Nordstrom, tackle listener questions about various car issues, such as a Ford Explorer's starting problems, spark plug recommendations for a Dodge Durango, and troubleshooting an 87 Volvo's stalling issues. The episode highlights the importance of understanding vehicle maintenance and the nuances of modern automotive technology, all while providing practical advice for DIY enthusiasts.

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Technical Too Afraid to Ask
Term

octane rating

"Because if they could raise the octane rating across the country, they could, the auto manufacturers can match that with more fuel efficient ice engines that run on that higher octane if it's available on standard across the country."

Octane rating is a number that tells you how well a fuel can avoid knocking in an engine. Higher numbers mean the fuel can handle more power without causing problems.

Term

ICE engines

"the auto manufacturers can match that with more fuel efficient ice engines that run on that higher octane if it's available on standard across the country."

ICE engines are the regular engines that run on gasoline or diesel. They create power by burning fuel inside the engine.

Term

tuner

"That's what those tuners do. When we put a tuner on a car for a gas engine, it says, it's got a setting."

A tuner is a tool that helps change how a car's engine works. It can make the car faster or more efficient depending on what you want.

Term

premium fuel

"Well, to do that, you have to run premium in there all the time."

Premium fuel is a type of gasoline that has a higher number on the octane scale. It's used in some cars to help them run better and avoid engine knocking.

Term

horsepower

"...if you could up the horsepower on your new car and your Honda up to, you know, another 50 horsepower and make it get better economy just because of a fuel change."

Horsepower is a way to measure how powerful an engine is. More horsepower usually means a car can go faster or accelerate quicker.

Car

Ford Explorer

"I've got a 2012 Ford Explorer that I've owned since it was a new. Um, I've had some strange issues over the last six, 12 months."

The Ford Explorer is a popular SUV that is known for being spacious and comfortable. The 2012 version is part of a newer generation that offers better handling and fuel economy than older models.

Term

fuel pump relay

"...lost the fuel pump relay. So I thought, well, I'm going to go look, see once there's a relay, I can swap and sure enough, there was a relay."

The fuel pump relay helps send electricity to the fuel pump, which is needed to get fuel to the engine. If this relay is broken, the engine won't start because it can't get fuel.

Part

solid state relay

"...but, uh, it ran fine with that one too. I let it run for 10 minutes and anyhow, I swapped it back around..."

A solid state relay is a type of switch that controls electrical devices without moving parts. They are faster and more reliable than regular switches that use mechanical parts.

Company

Clarios

"...and we've got a partner of ours, it's Clarios, we talk about him quite a bit..."

Clarios is a company that makes car batteries, especially those that are designed for newer cars with a lot of electronic features. They are known for producing high-quality batteries.

Term

AGM technology

"...especially if you're in..."

AGM technology refers to a special kind of car battery that lasts longer and works better for cars with lots of electronics. It's different from regular batteries because it can be used more deeply without getting damaged.

Car

Dodge Durango

"How you doing? I have a 2020 Dodge Durango with a 5.7 Hemi, and it's about to need"

The Dodge Durango is a large SUV that can carry many passengers and has a powerful engine. The 2020 version is known for being spacious and good for towing things like trailers.

Term

Hemi

"How you doing? I have a 2020 Dodge Durango with a 5.7 Hemi, and it's about to need"

Hemi is a type of engine design that helps it run better and more efficiently. The 5.7 Hemi engine is powerful and used in some Dodge vehicles.

Part

spark plugs

"spark plugs, about 95,000 miles. And I was just curious, do you guys generally just use OEM plugs..."

Spark plugs help start your car by creating a small spark that ignites the fuel. There are different kinds of spark plugs, and some last longer than others.

Company

Champion

"A lot of times in those I'll use an NGK or a champion in there. They both worked really well for us."

Champion is a brand that makes spark plugs, which are parts that help your car start and run smoothly. Many mechanics trust their products.

Company

NGK

"A lot of times in those I'll use an NGK or a champion in there. They both worked really well for us."

NGK makes spark plugs that help your car run better. They're a popular choice among mechanics for their reliability.

Car

Dodge Ram

"...d I want it to last. So typically though with the RAM, that's what I'll be using as an NGK or a champio..."

The Dodge Ram is a large truck that many people use for heavy-duty tasks and driving around town. It's known for being reliable and comfortable, and it's important to use good parts when fixing it to keep it running well. This helps the truck last longer and perform better.

Part

iridium spark plug

"...did you have a preference between platinum and iridium? Well, you got to go with it. Iridium is going to be factory. So that's, that's what I would go within that one."

An iridium spark plug is a type of spark plug that lasts longer and works better than regular ones. It uses a special metal called iridium to help start the engine more efficiently.

Term

OE spark plug

"...When you have an OE spark plug, is that also in your like system that we run the shop with to say what the specs are on that factory plug? Oh yeah."

An OE spark plug is the original spark plug that came with your car from the factory. It's made to fit and work perfectly with your engine.

Car

Chevrolet Corvette

"Yeah. Say, I got a 93 Corvette that had ignition system. They don't have a distributor, correct?"

The Chevrolet Corvette is a fast sports car that many people love for its cool looks and speed. The 1993 version is one of the older models, but it still has a lot of fans.

Part

OptiSpark

"It comes. It runs off the harmonic balance. It's an OptiSpark. It's technically it's a distributor, but I just call it a, well, their fancy name for it is a high voltage switch..."

OptiSpark is a special part in some Corvettes that helps send electricity to the engine to make it run. It's a bit different from the usual distributor that many cars have.

Part

water pump

"...the water pump wasn't leaking in there. No, we replaced the water pump automatically all time..."

The water pump helps keep the engine cool by moving coolant around. If it breaks, the engine can get too hot and might get damaged.

Term

LT1 engine

"...you get into a group like those people on the LT, LT one engines and the older ones forums, the forums. And if you ask this question..."

The LT1 engine is a type of V8 engine made by Chevrolet. It's known for being powerful and fuel-efficient, and it's used in some sports cars like the Corvette.

Part

TPMS sensors

"...you don't need special caps and sensors simply transfer yours over when you replace the wheel with near perfect ratings..."

TPMS sensors are devices that check the air pressure in your car's tires. If the pressure is too low, they let you know so you can fix it, helping keep you safe while driving.

Company

Road Ready Wheels

"...Road Ready Wheels has both aluminum alloy and new steel wheels to fit many cars on the road today. They stock thousands of wheels ready to ship..."

Road Ready Wheels is a company that sells replacement wheels for cars. They offer wheels that fit perfectly and allow you to use your old parts, making it easier to upgrade your wheels without extra costs.

Company

car-part.com

"If you need parts whether it be for a brand new car or going back about 20 years it doesn't matter check out car-part.com. It's fast and it's easy. Over 200 million parts strong all across North America."

Car-part.com is a website where you can find used car parts. It helps you search for parts from different cars and shows you pictures, making it easier to find what you need.

Company

Berkeley One Classics

"...we turned to Berkeley One Classics and here's why. Berkeley One Classics has over 50 years experience and they're dedicated to serving their customers."

Berkeley One Classics is a company that provides insurance for classic cars and other special vehicles. They help you decide how much your vehicle is worth and make sure you're covered for that amount if anything happens to it.

Concept

agreed-valued coverage

"...that coverage is agreed-valued coverage so there is no disagreement on what your vehicle is covered for."

Agreed-valued coverage is a way to insure your car where you and the insurance company agree on how much it's worth. If something happens to your car, you get that amount without any deductions for wear and tear.

Car

Jeep Commander

"...about a 2000 Jeep Commander and whether it was worth the cost of the rabbit hole going down fixing it after a radiator had blown..."

The Jeep Commander is a type of SUV made by the Jeep brand. It was built to handle rough terrain and is known for its strong, boxy shape.

Term

power steering fluid

"...the reason that that overheated in blue is because my power steering fluid was low..."

Power steering fluid is a special liquid that helps make it easier to turn the steering wheel in a car. If it's low, it can cause steering problems.

Term

power steering cooler

"...my question is is that fluid at the power steering cooler is that high pressure or can i just..."

The power steering cooler is like a small radiator for the power steering system. It keeps the fluid cool so that the steering works smoothly and doesn't overheat.

Part

transmission fluid cooler

"and whatever that's what we do we cut it off we put a cooler in there"

A transmission fluid cooler helps keep the fluid that makes your car's transmission work from getting too hot. If the fluid gets too hot, it can cause the transmission to fail, so this part helps keep it cool.

Car

Ford F150

"down it would sometimes hesitate a little bit it was that misfires when i found that coil problem but the coil fixed that one i also had a Ford f-150 that did the same thing with an old 300 straight six in it it had a weak coil that was causing that to die and i just couldn't"

The Ford F-150 is a big truck that many people use for work and everyday driving. It's popular because it's tough and can carry a lot of weight. Sometimes, like with any vehicle, it can have problems, such as engine misfires, but these can often be fixed with simple repairs.

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