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Old 02-15-2013, 04:29 PM   #1
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Join Date: Oct 2007
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Location: Michigan
What I Drive: 2010 White SEL

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Hesitation or surge?

I own a 2010 Focus SEL and am now noticing a hesitation or surging sensation while at speed. I am the original owner and have maintained it well. The vehicle currently has 55K miles. I have replaced the spark plugs with no change. I have put fuel system cleaner in the tank more than once and nothing changes.

It has been suggested that I have the engine control module re-flashed.

Any ideas?


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