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P0174 Diagnostic Trouble Code Discussion for October 2007

Fuel System Lean (Bank 2)

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Trouble Ticket Help Requests for DTC P0174
Help Request Posted
2002 Ford Ranger Edge 3.0L Poor Idle Quality, Poor Fuel Economy, MIL Lamp on VIN: 1FTYR14U62
P0174: fuel system lean bank 2. ... with me, this pickup intermintantly sets p0171 and p0174 fuel lean dtc's, it has a slight rough idle, the ford dealer diagnoised this as a mass air flow and fuel filter issue, so customer brought to us and we replaced the items including plugs that were wo...
October 02, 2007
2000 Nissan Maxima GLE 3.0L MIL Lamp on VIN: JN1CA31D3Y
P0174: Fuel Trim Lean (Bank 2). Hi and 2000 Nissan Maxima. Runs/drives fine. Repeating codes PO171/PO174 system lean. Freeze frame shows several times that occurs at 47-52 mph. Thinking bad EGR or replace injectors/etc but really don`t know.
October 03, 2007
1997 Lincoln Town Car Signature 4.6L MIL Lamp on VIN: 1LNLM82W0V
P0174: system lean bank 2. ... Lincoln Town Car here that belong to the Bosses sister. It has a the MIL on with codes P0171 and P0174 and has a hunting on start up and will go away after about three to five minutes. I have checked for vacuum leaks and fond none. I pulled the Mass Air Fl...
October 09, 2007
2002 Ford Explorer Eddie Bauer 4.0L Poor Idle Quality VIN: 1FMZU74E22
P0174: system too lean bank 2. ... explorer with a slight skip at idle and MIL on, DTC P0174 system too lean bank 2. I suspect vacum leak in the intake, but could not find it. Even though I hear some vacum leaking, after spraying starter fluid at the base, there was no change in RPM. STFT B...
October 10, 2007
1997 Ford Ranger XLT 4.0L MIL Lamp on VIN: 1FTCR11X6V
P0174: system lean. Hello Group, This Ranger has these 2 codes stored. We have checked the usual suspects (MAF,Intake seal leaks,O2 sensors etc.) with no problem found. The O2 sensors are stuck on 0.0v and fuel trim is -100%. If I force the sensors with propane they still do not ...
October 12, 2007
2000 Ford Explorer XLT 4.0L MIL Lamp on VIN: 1FMZU73X2Y
P0174: Bank2 system lean. AT IDLE bank2 long trim +10% bank1 LT -6 short trim 0% ST -2 AT 2500 RPM bank2 LT+11 BANK1 LT+11 SH 0 ST -8
October 13, 2007
2004 Audi A8 Quattro L 4.2L MIL Lamp on VIN: WAUML44E94
P0174: lean bank 2. Thanks for taking time to read this. Help all audi techs. This A8 came in for a regular oil change a couple days ago. Came back with above listed codes. Found hose for air pump disconnected from air box. reconnected hose cleared codes and sent it on its way. N...
October 15, 2007
2003 GMC Savana 1500 5.3L MIL Lamp on VIN: 1GDFH15T93
P0174: Fuel Trim System Lean (Bank 2). This van came 2 mounths ago with mil lamp on po174 lean bank 2 and no run problems. Replaced intake gaskets to updated teal gaskets.2 days later light came back on and went out again.Light has been out till now.Get it back today-light out-history code 174 stor...
October 25, 2007
1999 Ford Explorer XL 4.0L MIL Lamp on VIN: 1FMZU34X8X
P0174: Bank 2 system lean. ... check engine lamp on. P0174 was the only code found. I read all the posts about intake manifolds and agree that could be the problem but, if the intake is leaking why are we getting only one code? P0171 should be there as well right? Checked fuel trim and ...
October 30, 2007