Would a fluctuating long term fuel trim readout indicate a sensor problem in a P0171/174 lean code? | E46 Fanatics Forum
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engine - Why Long Term Fuel Trims Remains in Negative? - Motor Vehicle Maintenance & Repair Stack Exchange
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Need to understand Short term and long term fuel trim numbers - Motor Vehicle Maintenance & Repair Stack Exchange
Understanding: Fuel Trim: Long Term, and Short Term Fuel Trims (LTFT and STFT) : Openflash Performance
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