Thread: Code 8C: MAP controlled thermostat circuit control?
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Old 01-11-2013, 06:13 PM
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Studawg Studawg is offline
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Location: SC
  
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Mein Auto: 2003 540iT M Sport
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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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