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Old 09-20-2012, 05:08 PM   #12
maxwedge
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Join Date: Mar 2002
Location: Chestertown, New York
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Re: 2008 Impala SS engine hesitation/shudder

A full scan and look at sensor inputs during the event look at the coolant temp sensor inputs, also check fuel pressure during the event, a leaking injector can cause this also, see if the engine holds fuel pressure when shut off.
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