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Battery warning light

(2002 Ford Focus)
in Minot, ND on May 12, 2009
The battery warning light keeps coming on and off. Took it in and they could not find anything. What should i do?
Displaying 2 answers & 2 comments
Popular Answer
Battery Warning Light is an indication that alternator is not charging. was the light on when you brought the car in to have the problem diagnosed or is the problem intermittent? I suspect the alternator has a problem. If the battery light comes on the alternator is not charging the battery.
on June 10, 2009
Similar problem
The battery light came on in my wife's 02 Focus a few days ago. I didn't think too much about it since the headlights had started flickering in idle and the car has 90k. Replaced the alternator (a real handy thing to get to- had to pull motor mounts, winch the engine and cut an unnecessary elbow of the engine pick point) and now I have the battery light and engine light on. The engine light is a P0190 & P0193 (related to voltage to the fuel rail sensor).
on July 24, 2010
did you find online any diagrams or helpful tips to make my life easier, i have to replace the alternator and im about half way. do i need to remove a motor mount or exaust manifold? what about the air intake thats right in the way? i have a 2004 2.0L SOHC
on January 30, 2011
is that why car now has a rattle in the right front because the mechanic had to pull the motor mounts? replaced my alternator as well as battery light still comes on
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