Skip the auto shop - Our mechanics make house calls

Q: Will a poor cell battery make my car drive poorly?

asked by on

My 2002 Audi A6 Quattro 2.7 TT began driving erratic after getting it out of the shop for coolant fan module service. I had to get a jump before leaving the shop. Could it possibly be my battery?

A: Quite possibly. A low voltage battery can c...

Quite possibly. A low voltage battery can cause ignition misfires, although bad cells in batteries are not as common as they used to be. Most auto parts stored will check the battery for free or you can try checking the battery yourself. If this is not convenient for you, a certified professional from YourMechanic can come to your car's location to inspect the rough running issue and follow through with repairs.

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

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 shut off and remained unresponsive since then - 2010 Mercedes-Benz S400 Hybrid

Hello. The PCM is a potential cause of the problem that you are experiencing. The PCM is the main computer for the car and could be malfunctioning. There could also be a problem with the electric motor of the hybrid...

Q: The power locks and windows will not work when a door is open.

The wiring to the switches that control the locks and windows travels through the door and enters the car body through a flexible, usually rubber, conduit. Over time, repeated opening and closing of the door(s) causes stress (mechanical flexing) of...

Q: My car won't start or come out of park

Hi there. This is known issue related to what is called a shifter interlock lever. This is a very cheap plastic part that has a hook on the end of it with a spring connected to it. When this part...

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...
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...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.