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P0174 Diagnostic Trouble Code Discussion for September 2011

Fuel System Lean (Bank 2)


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Trouble Ticket Help Requests for DTC P0174
Help Request Posted
2007 Ford F-150 FX4 5.4L MIL Lamp on VIN: 1FTPW14V97
P0174: both banks lein. engine lite on computor check found po171 and po174 codes both banks lean checked wiring found no problems ---checked for vbacuum leaks installed smook machine foumnd no vacuum leaks. the only thing that i had a question about is that they installed an after m...
September 01, 2011
2000 Mercury Sable GS 3.0L Misfire, MIL Lamp on VIN: 1MEFM55S5Y
thanks in advance,replaced spark plugs,ignition coil #2, repair vacuum leak egr gasket, fuel filter.this is the only leak found with smoke machine. misfire noticeable. clear code. next day all code came back.i am not workig on trans code po741 yet. i want to f...
September 02, 2011
2006 Ford E-250 5.4L Vacuum problem VIN: 1FTNF20516
P0174: Lean. We need help, BIG TIME HELP This F250 received new spark plugs here about 4 weeks ago, about a week after the plug replacement the guy comes in with a check engine light and a noticeable wining sound coming from the engine, I pulled the codes and it was lean ...
September 07, 2011
2007 Ford F-250 Super Duty XL 5.4L Stall VIN: 1FTSX20567
P0174: System too lean on bank 2. Truck came in for mil lamp on, lack of power, running rough and missing. First time for tune up, replaced new plugs with encontered several broken plugs but managed to extract them out with special tools. Replaced intake manifold gaskets, flushed injection sys...
September 14, 2011
2004 Suzuki Verona LX 2.5L Poor Idle Quality VIN: KL5VJ52LX4
P0174: Fuel System Too Lean (Bank 2). The Long Term Fuel Trim Alaways High At Idle
September 15, 2011
2005 Ford Explorer XLT 4.0L Poor Idle Quality VIN: 1FMZU73K45
P0174: system rich bank 1. im haveing a problem understanding ford ffv system. how does this operating sys know when e85 is in tank? I didnt see and ffv sensor. the issue is only when e85 is in tank, and after a hot short soak, the info i found out of spec is evap purge @0% but evap sys...
September 17, 2011
2001 Cadillac DeVille 4.6L Stall, MIL Lamp on VIN: 1G6KD54Y21
P0174: Fuel Trim System Lean (Bank 2). ... technician here at work. We don't work on GM's, we are a Toyota dealer, try telling that to our management...lol. Customer states that the Service Engine Soon light came on and car cut off while driving. DTC's P0171 and P0174 are stored in PCM. Vehicle see...
September 20, 2011
2000 Ford E-350 Econoline XL 6.8L MIL Lamp on VIN: 1FTSS34S2Y
P0174: Bank 2 lean. Help!!! we have this 2000 ford e-350 news van that has got us to the point of being commited. This van only sets the codes at idle in gear. Long term trim goes to positive 12% and short term goes to 33.3%. Have done multiple smoke tests at different points aro...
September 22, 2011
2005 Ford E-250 5.4L running lean VIN: 1FTNE24L05
P0174: System lean bank 2. Vehicle is setting lean codes. When I block off the pcv port, at the manifold, my fuel trims start to drop. The pcv hose is the completely plastic one and has no holes anywhere. I smoked out the system, and the only place the smoke comes out is a rather large ...
September 22, 2011
2000 Ford E-350 Econoline XL 6.8L MIL Lamp on VIN: 1FTSS34S2Y
P0174: Bank 2 lean. Help!!! we have this 2000 ford e-350 news van that has got us to the point of being commited. This van only sets the codes at idle in gear. Long term trim goes to positive 12% and short term goes to 33.3%. Have done multiple smoke tests at different points aro...
September 23, 2011
2006 BMW X3 3.0i 3.0L Poor Idle Quality, P0171 & p0174 VIN: WXPA93496W
P0174: Lean. Checking for intermitent codes p0171 and po174,lean bank 1 and 2. No obvious vacuum leaks. Check pcv system via of a flow chart designated to these codes. Check vaccum at oil dipstick, should be 1/4 to 1/2 inches of vaccum. Vacuum is 10 inches at dipstick and ...
September 27, 2011
2005 Ford Freestar SES 3.9L Poor Idle Quality, Stall, MIL Lamp on VIN: 2FMZA57625
P0174: lean bank 2. Hello there have a van that will start sometimes and run rough then stall or will not start. it acts like the timing is retarded. I changed the crank senosr and the cam senosr thinking that a false reading to pcm to no avil did not make a difference. Also have...
September 28, 2011