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P0174 Diagnostic Trouble Code Discussion for December 2017

Fuel System Lean (Bank 2)


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Trouble Ticket Help Requests for DTC P0174
Help Request Posted
2004 Mazda MPV LX 3.0L Misfire, MIL Lamp on VIN: JM3LW28A14
P0174: Adaptive Fuel Trim Too Lean (Bank 2). ... p0431 cat eff, p0174 fuel system lean bank2 , p0306 miss #6. Oil was filthy so flushed oil with BG flush and new oil. PVC hose was split so replaced vac leak on bank 2. Test drive no miss. Gave to owner told him will be back. Need more diagnostics. Mil...
December 28, 2017