Q: Transmission fluid filter.

Hello. It is more likely that the cause of this problem is that the catalytic converter is clogged which would cause the car to not to accelerate once becoming warm. There could also be a problem with the transmission. Your...

Hi there. Check the power steering fluid level and make sure that it is full. Also, look at the fluid color and see if it is clear or dark. If the fluid is dark, then the power steering system needs...

Hi there. When it comes to multiple systems and the electrical circuits malfunction, there is a power and ground issue. Check the battery cables and clean them with a tooth brush and baking soda with water. This will clean off...

In order to know if the alternator is bad it will need to be tested using a volt and amp meter. Also the engine will need to be scanned to see if the computer is controlling the alternator charge output....

Hi there. Take the key fob that unlocks the door and put it up by the column. Press the lock and unlock twice and see if the doors will lock and unlock. If the door locks will not work, then...

Hi there. What seems to be the issue is the fuel pump is not plugged in. The Oxygen Sensors are working and telling you that the system is too lean with having a low voltage reading. If it was just...

Hi there - check all your fluid levels, but check your engine coolant level (https://www.yourmechanic.com/article/how-often-do-i-need-to-top-off-my-coolant) most closely. The coolant GM uses for your engine (Dexcool) is, in fact, orange - not pink as most transmission fluids. Engine coolant will evaporate,...

Hi there - your symptoms sound like you have a coolant leak from the heater core in your Elantra. Hot coolant can have an odd smell. I recommend a heater inspection (https://www.yourmechanic.com/services/smell-in-the-car-inspection) performed by a mobile, professional mechanic, such as...