Car drives fine but check battery light comes on and off!!!
Thread Starter
Honda-Tech Member
Joined: Dec 2005
Posts: 16
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From: Sheboygan, WI, US
Car drives fine but check battery light comes on and off!!!
So, when I am driving around, my lights keep dimming and then going back to normal, my cd player turns off and on, and my heater stops blower hard and then starts again. My check battery light keeps coming on and off also. I replaced the battery and I am guessing its either my alternator or a belt. Any ideas? The car is a 1991 CRX standard non si, automatic. Also, my car is throwing an ecu code of 12, something do with my emmissions or my egr valve, i think. 
Honda-Tech Member
Joined: Oct 2004
Posts: 5,866
Likes: 1
From: nj
Re: Car drives fine but check battery light comes on and off!!! (yurasuka)
Yeah it has something to do with the alternator,either it's going bad or the belt's loose.
You're correct code 12 is egr.
You're correct code 12 is egr.
Thread Starter
Honda-Tech Member
Joined: Dec 2005
Posts: 16
Likes: 0
From: Sheboygan, WI, US
Re: Car drives fine but check battery light comes on and off!!! (mr.speaker)
it only comes on after about 10 minutes of driving, the code 12, do i have to replace my egr valve?
Joined: Nov 2006
Posts: 177
Likes: 0
From: Ventura County, CA, United States
Re: Car drives fine but check battery light comes on and off!!! (yurasuka)
yeah i also believe it's the alternator cause the same thing happened to me awhile back and it was a bad alternator
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