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P0174 Diagnostic Trouble Code Discussion for November 2014

Fuel System Lean (Bank 2)

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Trouble Ticket Help Requests for DTC P0174
Help Request Posted
2005 Mazda MPV ES 3.0L Misfire VIN: JM3LW28A05
P0174: lean 2. van came in with p0171 and p0174, customer complained of misfires, no misfire codes and no misfires shown in mode 6. found intake tube between maf and tb ripped. replaced cleared codes and road tested. still running very lean. fuel trims run up to 25% both ban...
November 26, 2014