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i have a code p174 for 1999 mercury sable not sure if number is right code reads manufacturer controlled transmission

Vehicle: 1999 mercury sable v6 3.0 dohc
asked Sep 27, 2012 by anonymous

1 Answer

Hi there

This code is actually P0174 and is for a lean fuel trim mixture on bank 2 of the engine. Most cases the front O2 sensor is the cause of this code when it's not affecting both sides of the engine.
answered Jan 11 by Carguy1 (5,186 points)
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