Q: How Do I Check the Voltage of My Car Battery?

All drivers should go through a series of checks before they start the engine and hit the road. These will help you avoid potential injuries and accidents, and enhance both your safety and that of others on the road. Check...

A sticking or stuck idle air control valve can cause this condition. The valve needs to be removed and inspected for excessive carbon buildup. The valve could be cleaned and then then re-installed to see if proper operation can be...

If the mass air flow sensor (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-mass-airflow-sensor) has failed, unfortunately cleaning will not resolve the issue. I would recommend having your mass air flow sensor tested with a digital multimeter or scan tool using the manufacturer's suggested procedure to determine...

You should have the oil pressure checked first. If the pressure is normal then replace the oil pressure switch (https://www.yourmechanic.com/services/oil-pressure-sensor-replacement). The switch controls the light if pressure is lost or if the sensor shorts internally to a ground which sets...

Hello, thanks for writing in. The horn is being set off by the body control module. This module contains the anti-theft controls and if it does not get a remote signal to disarm the system then this will occur. There...

Hi there. If the 4WD light is blinking and you hear a grinding noise when the transmission is in drive or reverse only, then the transfer case has either broken the fork inside the case or the syncronizer jammed up...

Hello, and thank you for writing in. The vehicle is likely experiencing some issues with control module that communicated between the anti-theft components. Typically when the vehicle is messed with and the anti-theft system goes into action, you will need...

Hello. If the ignition lock cylinder housing that is mounted on the steering column itself is broken, then yes - you will have to purchase a new steering column, as that component is fabricated on the steering column and is...

There are flat "extensions" that attach to wrenches which are used to get into tight spots. Once a socket is attached to the extension, the socket hardly protrudes at all. You probably need one of those. An additional issue is...