Q: Rattling sound coming from car while idling

Hi. If your speedometer is not working, and your Check Engine Light (https://www.yourmechanic.com/services/check-engine-light-is-on-inspection) this may be a sign that your speedometer sensor has failed. As the speedometer sensor is located in the transmission, underneath the vehicle, I would recommend having...

Hello. It sounds like you had a total transmission failure. When you have a severe internal breakage, like a sun shell or clutch pack, this will occur. The transmission will need to be disassembled and rebuilt in order to fix...

Hello, thanks for writing in about your 2005 Kia Spectra5. It sounds like those systems may all share that same fuse and one of them is drawing too many amps, or there is a short in the circuit. I wonder...

Hi there. The tachometer (https://www.yourmechanic.com/article/3-essential-things-to-know-about-your-car-s-tachometer) on your 2007 BMW 328i is designed to measure the revolutions per minute (RPM) of the engine while it is in operation. Anytime the engine is running, the engine will idle (without the use of...

Hello, thank you for writing in. The vehicle may not be allowing the hot coolant to enter the heater core. If the rest of the cooling system seems to be working well, the heater core is likely your problem. This...

When checking the oil on the dip stick you should be checking it in the same place and engine temperature in order to get correct readings. If you check the engine when its cold and then again when it is...

The alternators on the two vehicles are not compatible with each other. The computers on these vehicles control the alternator charge rates and you could have a computer problem and should have the system diagnosed by a qualified mechanic like...

If your key fob remote stopped working most likely the battery (https://www.yourmechanic.com/services/battery-replacement) failed and needs replaced. You cannot disable the remote ignition if its designed by the manufacture, however, if you have a remote starter switch that is aftermarket, then...

Hi there. There are three individual components that comprise the windshield washer system that can be broken or damaged to cause the issue you’re having on your 2001 Toyota. The first and most common is that the windshield wiper spray...