Skip the auto shop - Our mechanics make house calls

Q: Alternator not charging

asked by on

My alternator is not charging the battery like it should.

A: Hello. If the alternator is not charging th...

Hello. If the alternator is not charging the battery then it may be failing. There are other problems that can occur such as bad battery connections or a failing battery cable. If the car has the wrong battery in it then that can also cause improper charging. A mechanic would usually check the battery to see if it the correct size and then check the connections at the battery. If those are fine then the alternator would need to be load tested to see if it is failing. I'd recommend having a mechanic diagnose the cause of your faulty charging system and replace the alternator if necessary.

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・Save up to 30%

Get a quote

What others are asking

Q: Doesn't always turnover completely.

The engine computer should be tested for codes to diagnose for the problem. I suspect the camshaft sensor is not working correctly. The sensor will sense the top dead center of the number cylinder to get vehicle to start. If...

Q: if my motor mount is cracked can it affect my car badly ??

If your motor mount is just visibly cracked but shows no noticeable damages, it is very likely that the vehicle has no issue at all. It is very common for rubber to have small cracks in it that do not...

Q: Glow Plug

Hello. The starting issue you are having could very well be caused by the glow plug circuit. It may not be the glow plugs themselves (although it could be), but rather the wires and other parts of the circuit involved....

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...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...