Q: Rpm levels are off

When you get rattling, there are so many possible causes for the rattle. Watch my older video “finding the source of car noises (https://www.youtube.com/watch?v=pqh1oH8mEqY).” I’ve got this cool device that you can get on eBay, used for 50- 80 bucks....

Of course, it is a good idea to be safe, but then again, it also depends on your vehicle. I've seen some Toyotas and Hondas that had the original tensioner with around 200,000 miles and they still work fine. So,...

Hey there, thanks for writing in about your 2010 Lexus HS250h. Even though you said the blower motor looks okay, my guess is that it probably has a bad bearing, which is causing the noise. The only other thing I...

Hello. This sounds like the bulb filament in the glass is intermittently loose or the plug connection to the back of the bulb is loose, corroded, broken, or intermittent. If the bulbs are many years old, they have probably lost...

On a vehicle that is 15 years old you may have a leak in the condenser (https://www.yourmechanic.com/services/ac-condenser-replacement), compressor (https://www.yourmechanic.com/services/ac-compressor-replacement), or evaporator. One of these faulty components may be leaking down the pressure. It's also possible that one of the pressure...

There are many possible malfunctions that can cause a engine to stall (https://www.yourmechanic.com/services/car-is-stalling-inspection). As long as the engine is in good mechanical condition, it comes down to the engine getting the correct air/fuel supply, a sufficient ignition to fire the...

Hi There, Unfortunately, without additional information as to the year, make and model of your vehicle we are unable to properly answer your question. As you know, spark plug wiring is specific to each model and engine and you will...

This is a very common question for many people as the service intervals tend to vary depending on the make of the vehicle, the specific type of service being recommended and the recommended return for service date as indicated by...

The white smoke generally indicates you may have a leaking or damaged head gasket as a result of the overheating. A blown head gasket may cause a number of different symptoms. Coolant in the engine oil, an engine misfire or...