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SC 400
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DTC P0171 Or P0172: Fuel Trim
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Notes
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
DTC P0171 Or P0172: Fuel Trim: Notes
DTC P0171 = System Too Lean (Fuel Trim)
DTC P0172 = System Too Rich (Fuel Trim)