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Old 01-11-2013, 06:13 PM
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Studawg Studawg is offline
Officially Welcomed to the 'Fest
Location: SC
Join Date: Mar 2012
Posts: 259
Mein Auto: 2003 540iT M Sport
Code 8C: MAP controlled thermostat circuit control?

Getting this code with 1C and 1D, lean idle mixture on both banks. Any ideas? Thermostat was replaced at 70k in 2009, car has 103k now.
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