Q: The gas mileage is about ten mpg when it should be at least twenty, what's wrong

The power steering most likely has an issue either in the pump assembly or in the steering rack itself. The fluid level in the system needs to be full with the proper fluid. This is done with the engine at...

Hi. There are only a few reasons why your key will not turn. Most of the time it is because the steering wheel is locked in one direction putting pressure on the key lock cylinder, or the cylinder is not...

Dealing with a troublesome alarm can be frustrating. Ultimately I would recommend purchasing a new remote key fob and having it programmed to your vehicle so you can have use of your alarm system. Until you are able to do...

Hello. We will be happy to assist you. Your description makes me get the impression that the vehicle may have two separate issues going on. The vibration (https://www.yourmechanic.com/services/car-is-shaking-or-vibrating-inspection) is likely to do with the motor mounts (https://www.yourmechanic.com/services/engine-mount-replacement). The engine mounts...

Hello. From what you describe it would appear that your tire may be making contact with something and causing the noise and vibration. Noises can be difficult to diagnose without driving the vehicle, however if you have determined what wheel...

Hi, thanks for writing in. Having the precise codes is very important-- even if the Check Engine is no longer illuminated. There can be transient codes that have not yet set off the light. The idle air control valve (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-idle-control-valve)...

Hi there. Most of the time this is caused by a bad headlamp switch. When the switch fails, it will cause this to occur. If the switch is fine, then it may have an issue with the headlamp relay. I...

Hi there. The hose that you are describing sounds like the heater core by-pass hose. If the hose is short and straight, then it would be the heater by-pass hose. The heater by-pass hose it to by-pass the heating system...

There are several schools of thought on this topic. While many can attest that synthetic oils can reduce friction and extend oil life, others prefer not to use synthetics in engines that have run on conventional oils for most of...