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Old 11-18-2012, 11:13 AM   #2364
ST Eye
Scooby Specialist
 
Member#: 73068
Join Date: Oct 2004
Location: MD
Vehicle:
2008 STI Boost Wagon
2012 Impreza Limited ISM

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When the car is cold (and it is colder longer in the winter time) the engine is in open loop. While in open loop fuel is dumped into the engine at a higher rate than when in closed loop. This could add to the larger consumption during the colder months.
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