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Does a car or truck’s air filter stop wildfire smoke? (VIDEO)

Description Can a vehicle’s air filtration help keep you safe from wildfire smoke and poor air quality? While that’s a tougher standard than most systems are built to meet, don’t overlook a simple step to get the most of your existing filter.Related Videos

Forgotten Classics: The 1990-1993 Chevrolet 454 SS Muscle Truck

The early 1990s were an interesting time for those looking for raw horsepower in a fun package. Ford’s Mustang had a 5.0L V8 with 205 horsepower and 275 lb-ft of torque, not too shabby. Camaro buyers could get a 5.7L V8 that put out 245 horsepower and 345 lb-ft of...

Engine Management and Fuel Trim – ASE Practice Question (VIDEO)

Description Technician A says that the ECM's primary role in engine management is to ensure that emissions remain within the limits for which the vehicle was originally certified. Technician B says that the fuel trim data PIDs (Parameter Identifiers) represent...

Ford Door Latch Cable Repair Tips and Tricks: 926-111

“Customer states rear door inop.” If you see that line on a ticket and the make and model is a Blue Oval truck or van, what you have is likely related to the door latch. Specifically, the cable end that operates that latch has cracked and crumbled. Ford will tell you...

Does Fuel Octane Rating Really Matter?

Life is full of small decisions. Pulling up to the gas pump, you are immediately faced with a choice: which octane fuel to use? The owner's manual for any vehicle should provide a minimum octane requirement, but is it worth filling up with a more expensive fuel with...

How to Make Your Own Molded Hose in a Pinch

When a vehicle’s vacuum or heater hose is in need of replacement, we tell the service writer, they sell the job and a little while later, a custom-formed piece with eleventy-four bends shows up, just like magic. But it wasn’t always this way. In Ye Olden Days, we’d...

Diesel and DEF – ASE Practice Question (VIDEO)

Description Technician A says that an empty DEF (Diesel Exhaust Fluid) tank can result in a “no start” complaint. Technician B says that the quality of the DEF fluid in the tank should be checked when SCR system faults are noted. Who is correct?A) Technician AB)...

EDC: Mechanic Edition

EDC, or “everyday carry” has become a popular topic of conversation. At first I thought people’s interest in this was a zeitgeist, but I think it’s got more staying power than I originally surmised. I used to (and still) roll my eyes when someone posts a beautiful...

Why Does an Electric Car Need a Radiator?

Why Does an Electric Car Need a Radiator?

by | Jul 23, 2026

Have you ever taken a glimpse at the front end of an electric vehicle and thought, “Wait…is that a radiator?” Why does an electric car even need a radiator when it doesn’t have an internal combustion engine? Turns out there are plenty of things on an EV that need...
Does Fuel Octane Rating Really Matter?

Does Fuel Octane Rating Really Matter?

by | Jul 7, 2026

Life is full of small decisions. Pulling up to the gas pump, you are immediately faced with a choice: which octane fuel to use? The owner’s manual for any vehicle should provide a minimum octane requirement, but is it worth filling up with a more expensive fuel...
EDC: Mechanic Edition

EDC: Mechanic Edition

by | Jun 25, 2026

EDC, or “everyday carry” has become a popular topic of conversation. At first I thought people’s interest in this was a zeitgeist, but I think it’s got more staying power than I originally surmised. I used to (and still) roll my eyes when someone posts a beautiful...