Q: What transmission solenoid controls the kick down on the gears?

The smart key allows you to unlock your vehicle without using the key. Here’s how to use the unlock feature: 1. Make sure the smart key is on your person, such as in your pocket. 2. Press the button on...

The symptoms described for your Mazda indicate that you may indeed be dealing with a dead battery. As batteries age, they lose the ability to hold a charge and typically need to be replaced. Combining age with accidentally leaving a...

Hey there. I would first look at tires and wheel balance, particularly if the tires have a lot of miles on them. Damaged tires (https://www.yourmechanic.com/article/how-to-check-if-your-tires-are-in-good-condition) can appear (on a balancing machine) to be balanced, yet they will vibrate terribly due...

Hi There, When you start your car in the morning and turn the key to on, the coolant temperature sensor immediately reads the temperature of the coolant and relays this to the computer indicating that the coolant is cold. The...

Hi There, Shaking or vibration (https://www.yourmechanic.com/services/engine-is-shaking-pulsating-or-vibrating-inspection) may be caused by many different things such as faulty spark plugs, poor fuel pressure or misfires. Other things such as a faulty idle air control valve (https://www.yourmechanic.com/services/idle-control-valve-replacement) may cause the engine idle to...

Hello, and thank you for writing in. Getting a second opinion is always a good idea. Replacing the spark plugs is a very necessary part of maintenance that is often overlooked. It is never a bad idea to replace your...

Hi Koquan. It really depends on how damaged the catalytic converter is and what symptoms you are experiencing. If the engine is running sluggish, driving through the Grapevine might be risky. As you climb hills, the engine will undergo much...