Why You Have an O2 Sensor (Oxygen Sensor)
November 30, 2025
If someone asked you what gas made up the largest portion of the atmosphere, what would you guess? Well, it's not oxygen; it only makes up 20.9 percent. But since we're talking about oxygen, you should know that your vehicle uses oxygen sensors to make sure your engine is running the way it shou... More
Cold Weather Vehicle No-Nos (Items to Avoid Storing in a Freezing Vehicle)
November 23, 2025
It's always easier to leave a few things in your vehicle so you'll have them on hand. But in cold weather, while it's a good idea to carry items such as a phone charger, blanket and shovel, there are some things you shouldn't store in your vehicle. Medicines and drugs. Cold temperatures can af... More
Rear Window?Not the Movie! (Why Some Rear Windows Don't Go All the Way Down)
September 7, 2025
Alfred Hitchcock once made a mystery thriller film called "Rear Window." It had nothing to do with the rear window of today's cars, SUVs, CUVs and light trucks. But there is one thing that some drivers DO find mysterious. Why don't the rear windows in the second row of many of these vehicles go... More
Don't Do It Yourself (Perils of DIY Vehicle Repair)
August 24, 2025
Your vehicle is a complicated machine, and yes, it would be nice if you could take care of all of its problems yourself. There was a time when vehicles were simpler and it wasn't too hard for a weekend mechanic to replace brakes, adjust a carburetor or perform a tune-up. But vehicles are far mo... More
A Honking Big Jam (Stuck Horn)
August 18, 2025
At one time or another, most drivers honk their horn at someone who might be texting at a stoplight or not paying attention when they're driving. But what happens when you tap on your horn and all of a sudden it won't quit? Everyone's looking at you like you're an angry jerk and all you want to ... More
I NEED All Wheel Drive (Pros and Cons of AWD)
July 14, 2025
So winter has arrived and you don't feel confident in how your 2-wheel drive vehicle does in the snow and ice. You envy all those people with all-wheel-drive (AWD) and 4-wheel-drive (4WD) cars, trucks and SUVs. You start thinking, "I need one of those. I'll be able to go anywhere without any w... More
When Your Air Bag Light Comes On (Illuminated Air Bag Light)
May 25, 2025
There are some dashboard lights you should pay more attention to than others. One is the air bag light. If it's on and your vehicle is in an accident, your air bags probably won't do their job. Automakers began installing air bags in the late 1990's since they were mandatory in the United State... More
Slippery When Wet (Driving on Wet Leaves)
May 18, 2025
When the leaves fall, you might take a sightseeing trip to see them at peak color. Or you may simply live in a spot where there are a lot of trees. When those leaves get wet, you'd be surprised to learn just how slippery they can be. We all know ice is slippery to drive on. What causes tires ... More
Start Me Up (Ignition Systems)
May 11, 2025
When you start up your gasoline engine car, you may not know that it's using the same ignition principles as it has for decades. You have spark plugs that require enough power so a spark can jump across a gap at its tip. Years ago, a vehicle's 12-volt system had to produce 15,000-25,000 volts t... More
Idle Talk about Engines (Causes of Rough Engine Idling)
May 4, 2025
When you slow down at stoplight, your vehicle's idle should be smooth as silk. But what happens when the engine is missing or idling roughly? That's your engine's way of telling you, "Hey, I've got something wrong with me and if you don't get someone to find out what it is, I may not start the n... More