Skip the auto shop - Our mechanics make house calls

Q: Battery replaced, engine malfunction warning

asked by on

After I had the battery replaced in my car, the engine malfunction warning came on. Everything was fine before the battery replacement. What happened here? What should I do?

A: Hello there. With any Check Engine Light, t...

Hello there. With any Check Engine Light, the first step is to have the code read to determine what system is involved with the fault. It is possible that this fault was caused by the vehicle losing power when the battery was replaced. I would recommend having a qualified technician inspect the Check Engine Light and throughly diagnose the related codes in order to resolve this issue.

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: Yellow triangle and yellow brake light illuminating on dashboard

Hi, thanks for writing in. I recommend checking the brake fluid level and the brake fluid level sensor. These are more "logical", given recent service. Replacing the ABS is an expensive proposition. I would get an ABS reader on it...

Q: How do I know if the sbsr is bad?

In order to determine if your SBSR is faulty, a factory scan tool is needed. There are a couple of technical service bulletins about low fuel, the fuel transfer pumps and reprogramming the SBSR module. Check with your local BMW...

Q: Engine knocks as a result of a valve problem

Your engine is a 3.5 liter not a 3.2. The dealer may have a limited service campaign for an oil line to the variable valve that can starve the valves for oil and cause a leak. This was a limited...

Related articles

How to Renew Your Car Registration in Oklahoma(DELETED)
Having your car registered with the Oklahoma Tax Commission is an important part of driving legally in this state. You will need to do this within 30 days of moving to Oklahoma...
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...
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.