Q: My new battery is draining, and I have tested the alternator and it is good. What can it be?

asked by on

I had the alternator changed 1 yr ago. All the sudden my battery drains, battery is new. Just got it 4 days ago. But it drains. Even while driving. Alternator new had it tested 5 times. Tests come out good. What can it be?

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. My new battery is draining, and I have tested the alternator and it is good. What can it be?

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: My car shakes really bad while in park, or when I mm braking.

Shaking on braking is often due to warped brake rotors, thickness variation in the rotor or excessive rotor run-out on the wheel hub. If the engine is vibrating in Park, there is a motor mount fault and/or an engine management/tuning...

Q: Rough idle, dip in idle, no acceleration power, replaced cam postion senor, cleaned pistons, spark plugs, and vvt what else?

You should have the computer scanned for misfire codes to see if one or more cylinders are misfiring and may have a bad coil or plug wire boot. Also check for vacuum leaks in the intake gaskets since any of...

Q: Alternator Pulley came off!!

Hello there, many faults will cause the alternator pulley to fail on your 2003 Volkswagen Golf. When the pulley assembly fails on the alternator it is most often due to a seized alternator bearings. To remedy this issue properly the...

Related articles

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...
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...