Thread: What did you do to / for your E53 today??
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Old 02-17-2019, 09:05 PM
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Overboost Overboost is offline
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Join Date: Apr 2006
Location: Huntersville, NC
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Well my P0172 and P0175 (system too rich) codes came back today with a shiny CEL on the dash. Changed MAF and pre catalyst lambda sensors the last time and has been clear for 8 months. Oh well, time to have another look.
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