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Old 08-12-2014, 05:08 PM
glennf1 glennf1 is offline
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Join Date: Nov 2011
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Default Re: So slow in here/damn vent on defrost issue

HVAC Servos won't throw a code. Try to pull the battery or fuse and recalibrate and if that doesn't work it looks like you'll have to replace it. They are known for going bad.
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