Q: My mechanic serviced my 2006 Toyota Aygo semiautomatic transmission with synthetic motor oil. Should I be worried?

Adjusting the sound of your radio lets you get the perfect mix of bass, treble, fade and balance for your needs. Here’s how to adjust the sound in your car: Push the Sound button to cycle through your options. Choose...

Opening and closing your trunk is probably one of the simplest things you’ll do in your car, but there are a few things that you should know about the process. You can open the trunk with either the trunk release...

Hi there. The Northstar Engine by Cadillac is notorious for internal leaking from coolant passage to combustion chambers. A block test is not always a certain make or break procedure. The engine would need a wet magna flux test done...

Hello! I suggest getting a second opinion of the source of the leak, because a crank seal will not leak a fluid other than oil. The leak may be from a transmission seal, which is located almost "face to face"...

Hey there. Considering all the parts that have been replaced, I think you may have an issue with the fuel reaching your engine. This can be caused by low fuel pressure. Low fuel pressure can be caused by a clogged...

The maintenance reminder system (https://www.yourmechanic.com/services/reset-maintenance-reminder-system) is not strictly mileage based. If 12 months elapse, without an intervening re-set, the light will come on simply because the engine oil should be changed at 12 months even if the 7,500 mileage interval...

One hundred forty miles is too far if your alternator has failed, even if you depart with a fully charged battery. In your circumstance, what you want to determine is charging output at the battery posts. Charging output should be...

Hi there - your symptoms suggest a fuel supply issue (https://www.yourmechanic.com/question/is-my-fuel-pump-working). Check fuses and the relay for the fuel pump first, and listen when going through the start sequence to hear the fuel pump run, for at least a couple...

If the rattling noise occurs when the car is stationary the origin is in the engine/transmission and/or exhaust system. If the identical rattle occurs when the car is moving, too, motor mounts or loose exhaust system components are a possibility....