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Old 02-02-2013, 08:31 PM   #73
esmith2039
Focus Jr. Enthusiast
 
Join Date: Mar 2008
Fan#: 54755
Location: KCK, United States
What I Drive: 2002 Focus LX

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Have you replaced the coolant temp sensor? Not sure on exact name but its the sensor on the thermostat housing. The SPI is a different animal but had a odd problem with it. At cold it wouldn't start tried everything. Eventually it would but wasnt happy till warmed up. Finally one day the gauge literally went from one side to the other a few times or never would of found it. Good luck..
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