Skip the auto shop - Our mechanics make house calls

Q: Dead battery

asked by on

My battery is dead.

A: Once the battery is replaced, have a traine...

Once the battery is replaced, have a trained technician, like one from YourMechanic perform a charging system test to make sure the alternator is charging the battery. If the alternator is not charging the battery the battery will run down again. These tests will let you know if you need to replace the alternator or the battery.

Was this answer helpful?
Recommended services
Get a Quote

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・Save up to 30%

Get a quote

What others are asking

Q: Car making ticking noise

Hello. Diagnosing a noise is a hands-on job and requires listening when the engine is running. Diagnosis may require a stethoscope to check around while the car is running or possibly removing the engine belt. You could have a noisy...

Q: How Does a Mechanic Check a Car Alternator's Voltage Output?

The first thing a mechanic will do is to check the battery cables to make sure they are clean. Then the battery is checked to make sure it is at the proper voltage of close to 12.6 volts, using a...

Q: Needing to know if the coolant fan is hydraulic or electrical?

You have a hydraulic cooling fan motor. There is a reservoir and hoses running to it. It is electrically controlled by the PCM through a solenoid. There is an issue with this system that Lincoln is aware of and has...

Related articles

P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the P0052 code means This code is seen when the Engine Control Module (ECM) tries to control the...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...