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P0174 Diagnostic Trouble Code Discussion for May 2014

Fuel System Lean (Bank 2)


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Trouble Ticket Help Requests for DTC P0174
Help Request Posted
2007 GMC Savana 2500 4.8L Misfire VIN: 1GTGG25V87
P0174: Fuel Trim System Lean (Bank 2). We recieved vehicle from customer with misfire. We see mis fire on cyl 7 and cyl 8. It occurs under slight load at aprox 1300 to 1500 Rpm in park and can also be felt driving down the road. We have checked coils and swapped them with known good cylinders. We h...
May 01, 2014
2001 Ford Ranger Edge 4.0L Poor Idle Quality, Stall, MIL Lamp on VIN: 1FTZR15E21
P0174: system lean bank 2. This vehicle has codes P0171 and p0174 system lean bank 1 and bank 2. I have replaced the mass air flow sensor twice and 148 hertz is the highest reading i can get from the baro sensor and sometimes the baro reads as low as 141. I'm at 1900 feet above see leve...
May 06, 2014
2006 GMC Sierra 1500 SLE 5.3L Surge, MIL Lamp on VIN: 2GTEC13Z86
P0174: Fuel Trim System Lean (Bank 2). Well the problem child has these two codes come back within a couple miles sometimes even standing i have replaced intake gaskets maf to no results, smoke test shows almost no leaks tested brake booster blocked of line and smoke tested good results no leaks i ...
May 13, 2014
2008 Suzuki Grand Vitara XSport 2.7L Excessive Emissions, Hesitation, Poor Fuel Economy VIN: JS3TD94498
P0174: bank 2 lean. b2 fuel trims are +25 to +35 at idle combined, b1 +5 to +10. swapped front o2s left to right, no change. lacks power under load very bad up to around 2000 rpms, then takes off great. smoke test and carb clean are not showing any vac leaks. injection clean did ...
May 13, 2014
2006 GMC Sierra 1500 SLE 5.3L Surge, MIL Lamp on VIN: 2GTEC13Z86
P0174: Fuel Trim System Lean (Bank 2). Well the problem child has these two codes come back within a couple miles sometimes even standing i have replaced intake gaskets maf to no results, smoke test shows almost no leaks tested brake booster blocked of line and smoke tested good results no leaks i ...
May 14, 2014
1999 Cadillac Catera 3.0L MIL Lamp on VIN: W06VR52R6X
P0174: Fuel Trim System Lean (Bank 2). dtc's set at freeway speed long term fuel trim goes to positive 25 at freeway speeds both pre cat 02 sensors have been replaced condition still the same fuel pressure within spec fuel filter new no apparent vacuum leak check with smoke and carb cleaner
May 15, 2014
2008 GMC Acadia SLT 3.6L long crank time VIN: 1GKER33798
hey fellow techs customer complains every time she adds gas to the tank the car has a hard time starting. does not matter what amount of gas, this is the only time it has long crank time
May 20, 2014
2000 Nissan Sentra GXE 1.8L Poor Idle Quality, Surge, Cuts out, Stall, MIL Lamp on VIN: 3N1CB51D9Y
P0174: Fuel Trim Lean (Bank 2). ... this and for any help or insight you can offer. After replacing the upstream O2 sensors and the front pipe, found car runs just as bad. It has a slight surge at idle, it will smooth out briefly at times. Sometimes may surge and idle down enough to stall. L...
May 26, 2014