Q: Battery connections not transferring power

The throttle body is the part that allows and controls the entry of air into the engine. Throttle bodies have a butterfly valve inside them that opens when the gas pedal is pressed and closes when it is released. Your...

Hi there. A lack of fuel will definitely cause your vehicle to sputter. There may be an obstruction in your fuel lines or fuel filter causing this. I recommend having a mechanic, such as one from YourMechanic, check your fuel...

Hello there. The LX470 does, in fact, take premium gasoline (https://www.yourmechanic.com/article/how-to-know-what-type-of-gas-to-use-by-jason-unrau). When a lower octane is used such as 87 unleaded than there is a possibility for the engine to knock. In most cases, the vehicle's computer will adjust to...

Hi, thanks for writing in. The oil change would not damage an oxygen sensor. The fuel system cleaning could possibly cause this condition, but it depends on the cleaner type and mixture. I would recommend having an expert from YourMechanic...

Hi there. When you swap out carburetors on engines, you would have to set up the carburetor and adjust the float bowl along with setting the idle. With a Rodchester Quadra-jet, you would need to have the engine idle at...

What is important to note when comparing tire sizes is what each of the numbers stands for. The first number denotes the width of the tire. The second number is what is known as the aspect ratio, which denotes the...

Hi There, Depending on the year, make and model of the car, it may or may not run this way. Theoretically, on an older car, you can drive for a while once the engine is running, you'll just be without...

You may have a low voltage condition getting to the low beam circuit of the headlights and causing them to burn out early. Check the low beam relay to see if it is giving battery voltage at each headlight socket...

Generally, the check engine light (https://www.yourmechanic.com/services/check-engine-light-is-on-inspection) comes on when something fairly serious is going on with the vehicle. This can happen for many different reasons such as a faulty mass air flow sensor (https://www.yourmechanic.com/services/mass-airflow-sensor-replacement), a faulty O2 sensor (https://www.yourmechanic.com/services/oxygen-sensor-replacement), a...