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2009 KIA Sorento 4WD. 2013 Optima. 2016 Sorento
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2 Posts
Discussion Starter #1
2013 Optima LX. The blower motor speed slows down and speeds up while driving . It does not does this at idle speed. Any ideas on what to check first? Thanks in advance.
 

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2011 Forte SX 2.4L (thankfully MPI) A/T 144K miles
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1,596 Posts
Does the blower motor speed change if you rev up the engine with the vehicle in park?
 
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