Skip the auto shop - Our mechanics make house calls

Q: Car battery drain

asked by on

Something is draining the battery in my car. I have recently replaced the battery with a new one. In the last couple of days the car has been without power when I attempt to start it after it sat for the night. So, I had to jump-start the vehicle. I had the codes read and none appeared. What could be causing this?

A: You must hire an automotive technician, lik...

You must hire an automotive technician, like one from YourMechanic, to perform a parasitic drainage test on the vehicles electrical system. The mechanic will install a device to read system voltage to check for the drain and can pull fuses until the voltage disappears to find the circuit causing the drain. Best of luck.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: How to fix the wiring on my alternator?

Hello. The system is burning the wire connector due to the connection being weak and loose. The wire got hot and melted the first time due to a loose connection causing heat build up. You should also check the battery...

Q: Car not starting, even with jumpstart

Hello. I strongly suggest checking the starter, alternator and even the new battery to make sure that they are all in working order. Testing those three will give you a better perception of why it's not starting. If you need...

Q: Cylinders 4 and 5 are misfiring - 2007 Mercedes-Benz S55 AMG

Hello. Most of the time if there is a misfire on those two cylinders it is not caused by the computer. Typically it is caused by either failing spark plugs or an internal problem. I usually start by doing a...

Related articles

How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
What are the Car Pool Rules in Hawaii?
Hawaii is widely regarded as a land of vacation and relaxation, and as such, its scenic roads and routes are far better known than the state’s freeways. But, as with all...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.