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P0174 Diagnostic Trouble Code Discussion for May 2008

Fuel System Lean (Bank 2)


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Trouble Ticket Help Requests for DTC P0174
Help Request Posted
2000 Chevrolet Silverado 1500 4.3L Hesitation VIN: 1GCEC14W6Y
P0174: Fuel Trim System Lean (Bank 2). I need some help. THis truck came in comlaing of losing power. Fuel pressure is at 60 psi. O2 are reading around 30 mv @ idle and fuel trim is 190. If I unplug the maf the the o2 read around 800 mv and fuel trim run around 128. I have replaced the maf twice no...
May 08, 2008
2003 Toyota Camry LE 3.0L Surge, MIL Lamp on VIN: 4T1BF30K23
P0174: Fuel System Too Lean (Bank 2). ... to 40 mph. Found code for the B1S1 lean. Cleaned mass air flow. I switched the bank 1 and 2 AF sensors to see if it was a sensor or not. Light came on 1 week later and now it has a code P0174 for Bank 2 lean. I installed...
May 09, 2008
2000 Ford Excursion XLT 6.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FMNU40S1Y
P0174: bank 2 system too lean. ... with codes p0174,p0306,p0307 and runs rough cold or hot, in and out of gear. Using the ford scanner and watching the power balance graph, cylinders 6,7,8,9,10 all have slight misfires 6 and 7 being the worst. my fuel pressure is 29psi(within spec). smoke t...
May 15, 2008
2004 Ford Freestar 3.9L Poor Idle Quality, MIL Lamp on VIN: 2FTZA54634
P0174: bank 2 lean. after replacing esm, i double checked for vac leaks and egr/esm leaking @vent hole on new vlave. my question is, is this a programed or alowable leak? or should i get another valve? i called dealer but could get a straight answer and part manufacture they were...
May 20, 2008
2004 Ford Freestar 3.9L Poor Idle Quality, MIL Lamp on VIN: 2FTZA54634
P0174: bank 2 lean. after replacing esm, i double checked for vac leaks and egr/esm leaking @vent hole on new vlave. my question is, is this a programed or alowable leak? or should i get another valve? i called dealer but could get a straight answer and part manufacture they were...
May 21, 2008
2005 Ford Taurus SE 3.0L Misfire, MIL Lamp on VIN: 1FAFP53225
P0174: System too lean bank 2. Vech throws code P0714 at 72.9% load, ECT 176F, STFT B2/S1 -17.97. I'm thinking that this is a fuel related problem, as problem is only while driving under partial load. I checked the running battery voltage and system voltage is 14.45 across battery, I checke...
May 21, 2008
2006 Ford F-250 Super Duty XLT 5.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTSX21536
P0174: system lean bank 2. ... to be irritating. Here is the issue. Truck was in a couple months ago with a failed fuel pump. Truck has no provision for checking fuel pressure. Instead scanner displays desired and actual fuel pressure. At that time desired was 40psi and actual was 13. R...
May 27, 2008
2006 Ford F-250 Super Duty XLT 5.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTSX21536
P0174: system lean bank 2. ... to be irritating. Here is the issue. Truck was in a couple months ago with a failed fuel pump. Truck has no provision for checking fuel pressure. Instead scanner displays desired and actual fuel pressure. At that time desired was 40psi and actual was 13. R...
May 28, 2008
2003 Ford Ranger Edge 4.0L MIL Lamp on VIN: 1FTZR45E63
P0174: lean bank 2. I have 2 codes in this one. Lean bank 1 lean bank 2,fuel pressure and flow are good. No vacuum leaks found, intake plenum gaskets have been replaced. No egr to screw up. Long term fuel trim is 25% on both banks. At idle the short term fuel trim runs up to 18% ...
May 30, 2008
2000 Chevrolet Silverado 1500 4.3L Hesitation VIN: 1GCEC14W6Y
P0174: Fuel Trim System Lean (Bank 2). I need some help. THis truck came in comlaing of losing power. Fuel pressure is at 60 psi. O2 are reading around 30 mv @ idle and fuel trim is 190. If I unplug the maf the the o2 read around 800 mv and fuel trim run around 128. I have replaced the maf twice no...
May 08, 2008
2003 Toyota Camry LE 3.0L Surge, MIL Lamp on VIN: 4T1BF30K23
P0174: Fuel System Too Lean (Bank 2). ... to 40 mph. Found code for the B1S1 lean. Cleaned mass air flow. I switched the bank 1 and 2 AF sensors to see if it was a sensor or not. Light came on 1 week later and now it has a code P0174 for Bank 2 lean. I installed...
May 09, 2008
2000 Ford Excursion XLT 6.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FMNU40S1Y
P0174: bank 2 system too lean. ... with codes p0174,p0306,p0307 and runs rough cold or hot, in and out of gear. Using the ford scanner and watching the power balance graph, cylinders 6,7,8,9,10 all have slight misfires 6 and 7 being the worst. my fuel pressure is 29psi(within spec). smoke t...
May 15, 2008
2004 Ford Freestar 3.9L Poor Idle Quality, MIL Lamp on VIN: 2FTZA54634
P0174: bank 2 lean. after replacing esm, i double checked for vac leaks and egr/esm leaking @vent hole on new vlave. my question is, is this a programed or alowable leak? or should i get another valve? i called dealer but could get a straight answer and part manufacture they were...
May 20, 2008
2004 Ford Freestar 3.9L Poor Idle Quality, MIL Lamp on VIN: 2FTZA54634
P0174: bank 2 lean. after replacing esm, i double checked for vac leaks and egr/esm leaking @vent hole on new vlave. my question is, is this a programed or alowable leak? or should i get another valve? i called dealer but could get a straight answer and part manufacture they were...
May 21, 2008
2005 Ford Taurus SE 3.0L Misfire, MIL Lamp on VIN: 1FAFP53225
P0174: System too lean bank 2. Vech throws code P0714 at 72.9% load, ECT 176F, STFT B2/S1 -17.97. I'm thinking that this is a fuel related problem, as problem is only while driving under partial load. I checked the running battery voltage and system voltage is 14.45 across battery, I checke...
May 21, 2008
2006 Ford F-250 Super Duty XLT 5.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTSX21536
P0174: system lean bank 2. ... to be irritating. Here is the issue. Truck was in a couple months ago with a failed fuel pump. Truck has no provision for checking fuel pressure. Instead scanner displays desired and actual fuel pressure. At that time desired was 40psi and actual was 13. R...
May 27, 2008
2006 Ford F-250 Super Duty XLT 5.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTSX21536
P0174: system lean bank 2. ... to be irritating. Here is the issue. Truck was in a couple months ago with a failed fuel pump. Truck has no provision for checking fuel pressure. Instead scanner displays desired and actual fuel pressure. At that time desired was 40psi and actual was 13. R...
May 28, 2008
2003 Ford Ranger Edge 4.0L MIL Lamp on VIN: 1FTZR45E63
P0174: lean bank 2. I have 2 codes in this one. Lean bank 1 lean bank 2,fuel pressure and flow are good. No vacuum leaks found, intake plenum gaskets have been replaced. No egr to screw up. Long term fuel trim is 25% on both banks. At idle the short term fuel trim runs up to 18% ...
May 30, 2008