Q: I am trying to recharge the refrigerant for the A/C but I have been unable to find what the pressures are supposed to be.

If the Tire Pressure Monitoring System light (TPMS) light comes on in the dash of your car, it indicates there’s a problem with the system itself, not that there’s a tire low on air. The TPMS light means that the...

Hi there! There are a few possible causes for your concern. Your engine needs several things in order to run properly: Fuel from the fuel tank, spark from the ignition system to ignite the fuel, and pressure in the cylinders...

Many different things can cause a vibration at speeds. The most common causes of this would be warped brake rotors (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-brake-rotor-disc), a damaged suspension component, or tire that is damaged or out of balance. It is possible for this fault...

Hello. There could be a problem with the suspension on your car. The control arm (https://www.yourmechanic.com/services/control-arm-assembly-replacement), ball joint (https://www.yourmechanic.com/services/ball-joint-front-replacement), and inner or outer tie rod could be damaged. This will cause excessive wear on the tires (https://www.yourmechanic.com/services/excessive-wear-on-outer-edges-of-tire-inspection). There could also...

The blower control switch on the dashboard controls the circuit flow of the blower motor to adjust the voltage from low, to medium, to medium-high, to high. When on high, the circuit bypasses the blower resistor. The blower resistor will...

Hello. I suggest you have steering and suspension evaluation done on your vehicle. The shaking you are describing is likely coming from a control arm bushing, or shocks and struts. A technician should be able to pinpoint which component it's...

Hi There, The rod knocking you are hearing in your 2002 F150 may be related to a rod bearing that is beginning to fail. Adding additional oil to the motor may temporarily solve this, but it will eventually come back...

Hi There, This can be caused by a loose battery cable (https://www.yourmechanic.com/services/battery-cable-replacement) which is often times the problem. Try checking to be sure they are connected properly. Also, there is a sensor that has 3 small wires running to it...

Hi Carlos. Thanks for contacting us. There are a few things that might be causing these type of starting and engine running problems. The first and most obvious would be that the engine is not getting either enough fuel -...