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P0174 Diagnostic Trouble Code Discussion for August 2013

Fuel System Lean (Bank 2)


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Trouble Ticket Help Requests for DTC P0174
Help Request Posted
2006 Dodge Ram 1500 Truck ST 4.7L Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1D7HU18N96
P0174: Fuel System Lean (Bank 2). I need some Dodge tech help. THis vehicle runs rough, black smoke out of tailpipe very poor gas mileage and of course cyl. misfire. I am not very aquainted with the newer Dodge pickups. This young man is headed for college soon and he doesn't want to go with t...
August 05, 2013
1998 Ford F-150 Lariat 5.4L Poor Idle Quality VIN: 1FTRX08L6W
Thanks in advance...got an odd on here. Customer complained of a rough run. All codes indicate lean exhaust both banks. O2's were sluggish so we replaced them and now it has same problem but runs worse! problem only at idle. Bank to will clock around pos 22 at...
August 12, 2013
1999 Chevrolet K2500 5.7L MIL Lamp on
P0174: Fuel Trim System Lean (Bank 2). customer replaced fuel pump before we got involved. long term fuel trims 25% on both banks at idle. Smoked entire intake and found no leaks. Replaced maf twice, no change for better. Wondering if fuel pressure is too low or if injectors are starting to get res...
August 15, 2013
1999 Chevrolet K2500 5.7L MIL Lamp on
P0174: Fuel Trim System Lean (Bank 2). customer replaced fuel pump before we got involved. long term fuel trims 25% on both banks at idle. Smoked entire intake and found no leaks. Replaced maf twice, no change for better. Wondering if fuel pressure is too low or if injectors are starting to get res...
August 16, 2013
2005 Land Rover LR3 SE 4.4L MIL Lamp on VIN: SALAE25485
P0174: system lean bank b. We have this lr3 and it will set a 171 and 174 at idle without even driving. This was noticed after the park brake module was replaced so we smoke tested all the evap lines and intake and found nothing for vac. leaks. checked and cleaned the maf. Thing is it w...
August 19, 2013
2011 Honda Odyssey EX 3.5L No Start VIN: 5FNRL5H48B
P0174: Fuel system too lean left bank. ... found p0171 and 174, 2nd, check gas for contamination, first sample was dark but, no water was found, second sample was clearer, 3rd sample was good , 3rd we checked the fuel pressure, perfect, then we try to run the engine using the fuel inj cleaning cani...
August 26, 2013
2006 Dodge Ram 1500 Truck ST 4.7L Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1D7HU18N96
P0174: Fuel System Lean (Bank 2). I need some Dodge tech help. THis vehicle runs rough, black smoke out of tailpipe very poor gas mileage and of course cyl. misfire. I am not very aquainted with the newer Dodge pickups. This young man is headed for college soon and he doesn't want to go with t...
August 05, 2013
1998 Ford F-150 Lariat 5.4L Poor Idle Quality VIN: 1FTRX08L6W
Thanks in advance...got an odd on here. Customer complained of a rough run. All codes indicate lean exhaust both banks. O2's were sluggish so we replaced them and now it has same problem but runs worse! problem only at idle. Bank to will clock around pos 22 at...
August 12, 2013
1999 Chevrolet K2500 5.7L MIL Lamp on
P0174: Fuel Trim System Lean (Bank 2). customer replaced fuel pump before we got involved. long term fuel trims 25% on both banks at idle. Smoked entire intake and found no leaks. Replaced maf twice, no change for better. Wondering if fuel pressure is too low or if injectors are starting to get res...
August 15, 2013
1999 Chevrolet K2500 5.7L MIL Lamp on
P0174: Fuel Trim System Lean (Bank 2). customer replaced fuel pump before we got involved. long term fuel trims 25% on both banks at idle. Smoked entire intake and found no leaks. Replaced maf twice, no change for better. Wondering if fuel pressure is too low or if injectors are starting to get res...
August 16, 2013
2005 Land Rover LR3 SE 4.4L MIL Lamp on VIN: SALAE25485
P0174: system lean bank b. We have this lr3 and it will set a 171 and 174 at idle without even driving. This was noticed after the park brake module was replaced so we smoke tested all the evap lines and intake and found nothing for vac. leaks. checked and cleaned the maf. Thing is it w...
August 19, 2013
2011 Honda Odyssey EX 3.5L No Start VIN: 5FNRL5H48B
P0174: Fuel system too lean left bank. First thing we did scan for codes, found p0171 and 174, 2nd, check gas for contamination, first sample was dark but, no water was found, second sample was clearer, 3rd sample was good , 3rd we checked the fuel pressure, perfect, then we try to run the engine u...
August 26, 2013