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Old 12-09-2012, 12:58 PM   #16
Reefmonster
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Join Date: Jul 2011
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Location: Perris, CA
What I Drive: 2001 Green Focus SE Wagon

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I was thinking about the ECU, but this is wierd...It comes on at low idle or when I'm mid-[range, but when I accelerate sharply it goes off. Could the belt be slipping? Or could there be an issue with the belt tensioner letting the accesory belt get slack? Why would the light go off when I accelerate?

I replaced with a brand new Alt from Autozone, and I had O'Reilly, Autozone and Pepboys all check it and they all said that both the battery and alt were fine...anyone?
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