Join Now
International Automotive Technicians Network

P0174 Diagnostic Trouble Code Discussion for April 2013

Fuel System Lean (Bank 2)


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0174
Help Request Posted
2003 Ford F-150 XL 4.2L Poor Idle Quality, Misfire VIN: 1FTRX17293
P0174: system too lean. I need help iv been trying to fix this truck for a week now it came in missing bad I thought it was plugs and wires but I tested it its not its misfiring on cylinders 2,3,6 only I changed the plugs anyways it made no difference I changed the fuel injectors sti...
April 02, 2013
2005 Ford F-250 Super Duty FX4 5.4L Poor Idle Quality, Hesitation, Cuts out, Misfire VIN: 1FTNF21545
P0174: Lean. Customer brought vehicle in stating vehicle looses power intermittently. I disconnected camshaft solenoids and it does not make a difference. I watched the camshaft sensors on a lab scope and there patterns differ. I switched the camshaft sensors and I still g...
April 10, 2013
2007 Ford Taurus SEL 3.0L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Misfire, MIL Lamp on VIN: 1FAHP56U77
P0174: Lean Bank 2. Smoked upper intake. Found PCV connector MELTED at the rear face downstream from the "O" ring that is supposed to seal the connector from vacuum leaks. The connector fits between PCV tube running from PCV valve to the upper intake manifold where it is ...
April 10, 2013
2007 Chevrolet Silverado 2500 HD Classic LT 6.0L Hesitation VIN: 1GCHC24U47
P0174: Fuel System Lean (Bank 2). ... code P0174 too lean bank 2. I replaced the b2s2 o2 sensor when I saw a reading of 0 volts intermittently on scan tool. Cleared code and drove to complete monitors for smog check and code P0420 cat efficiency code came on. I cleared that code and drove the ...
April 12, 2013
2007 Chevrolet Silverado 2500 HD Classic LT 6.0L Hesitation VIN: 1GCHC24U47
P0174: Fuel System Lean (Bank 2). ... code P0174 too lean bank 2. I replaced the b2s2 o2 sensor when I saw a reading of 0 volts intermittently on scan tool. Cleared code and drove to complete monitors for smog check and code P0420 cat efficiency code came on. I cleared that code and drove the ...
April 15, 2013
1996 Cadillac Fleetwood 5.7L low power/vacuum VIN: 1G6DW52P8T
P0174: Fuel Trim System Lean (Bank 2). Customer complaint is low power and check engine light on. The fuel pump solved part of the low power problem, but it is still weaker than I would like to see for an LT1, and it is continuing to set lean codes. I also have an evap problem, but I have isolated ...
April 19, 2013
2004 Suzuki Verona LX 2.5L Excessive Emissions, Hesitation, MIL Lamp on VIN: KL5VJ52L14
P0174: Fuel System Too Lean (Bank 2). ... anyone had these same issues with a Suzuki The car came in for a check engine light found P0171,P0174,P0401 checked and found EGR inop and replaced EGR found the intake seals one cly one sticking out and leaking replaced intak...
April 21, 2013
1996 Cadillac Fleetwood 5.7L low power/vacuum VIN: 1G6DW52P8T
P0174: Fuel Trim System Lean (Bank 2). Customer complaint is low power and check engine light on. The fuel pump solved part of the low power problem, but it is still weaker than I would like to see for an LT1, and it is continuing to set lean codes. I also have an evap problem, but I have isolated ...
April 22, 2013
2006 Lexus RX330 3.3L Poor Idle Quality, MIL Lamp on VIN: 2T2HA31U16
P0174: Fuel System Too Lean (Bank 2). This car came in with customer stating the check engine light came on after driven over a curb with left rear wheel. See no damage, codes po 174 lean bank 2 and po 302 # 2 cyl misfire. PLugs and #2 coil were new, still have same issue , no change. Found long t...
April 22, 2013
2009 Toyota Sienna LE 3.5L MIL Lamp on VIN: 5TDZK23C09
P0174: lean bank 2. i have this sienna that is running lean on both banks, i have replaced the mass air and o2 sensors from a running van with no change, plugged off the brake booster, changed the intake gaskets t/b gasket, fresh air intake hose from rear v/c to air box, pcv valv...
April 24, 2013
2009 Toyota Sienna LE 3.5L MIL Lamp on VIN: 5TDZK23C09
P0174: lean bank 2. i have this sienna that is running lean on both banks, i have replaced the mass air and o2 sensors from a running van with no change, plugged off the brake booster, changed the intake gaskets t/b gasket, fresh air intake hose from rear v/c to air box, pcv valv...
April 25, 2013
2003 Ford F-150 XL 4.2L Poor Idle Quality, Misfire VIN: 1FTRX17293
P0174: system too lean. I need help iv been trying to fix this truck for a week now it came in missing bad I thought it was plugs and wires but I tested it its not its misfiring on cylinders 2,3,6 only I changed the plugs anyways it made no difference I changed the fuel injectors sti...
April 02, 2013
2005 Ford F-250 Super Duty FX4 5.4L Poor Idle Quality, Hesitation, Cuts out, Misfire VIN: 1FTNF21545
P0174: Lean. Customer brought vehicle in stating vehicle looses power intermittently. I disconnected camshaft solenoids and it does not make a difference. I watched the camshaft sensors on a lab scope and there patterns differ. I switched the camshaft sensors and I still g...
April 10, 2013
2007 Ford Taurus SEL 3.0L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Misfire, MIL Lamp on VIN: 1FAHP56U77
P0174: Lean Bank 2. Smoked upper intake. Found PCV connector MELTED at the rear face downstream from the "O" ring that is supposed to seal the connector from vacuum leaks. The connector fits between PCV tube running from PCV valve to the upper intake manifold where it is ...
April 10, 2013
2007 Chevrolet Silverado 2500 HD Classic LT 6.0L Hesitation VIN: 1GCHC24U47
P0174: Fuel System Lean (Bank 2). ... code P0174 too lean bank 2. I replaced the b2s2 o2 sensor when I saw a reading of 0 volts intermittently on scan tool. Cleared code and drove to complete monitors for smog check and code P0420 cat efficiency code came on. I cleared that code and drove the ...
April 12, 2013
2007 Chevrolet Silverado 2500 HD Classic LT 6.0L Hesitation VIN: 1GCHC24U47
P0174: Fuel System Lean (Bank 2). ... code P0174 too lean bank 2. I replaced the b2s2 o2 sensor when I saw a reading of 0 volts intermittently on scan tool. Cleared code and drove to complete monitors for smog check and code P0420 cat efficiency code came on. I cleared that code and drove the ...
April 15, 2013
1996 Cadillac Fleetwood 5.7L low power/vacuum VIN: 1G6DW52P8T
P0174: Fuel Trim System Lean (Bank 2). Customer complaint is low power and check engine light on. The fuel pump solved part of the low power problem, but it is still weaker than I would like to see for an LT1, and it is continuing to set lean codes. I also have an evap problem, but I have isolated ...
April 19, 2013
2004 Suzuki Verona LX 2.5L Excessive Emissions, Hesitation, MIL Lamp on VIN: KL5VJ52L14
P0174: Fuel System Too Lean (Bank 2). ... anyone had these same issues with a Suzuki The car came in for a check engine light found P0171,P0174,P0401 checked and found EGR inop and replaced EGR found the intake seals one cly one sticking out and leaking replaced intak...
April 21, 2013
1996 Cadillac Fleetwood 5.7L low power/vacuum VIN: 1G6DW52P8T
P0174: Fuel Trim System Lean (Bank 2). Customer complaint is low power and check engine light on. The fuel pump solved part of the low power problem, but it is still weaker than I would like to see for an LT1, and it is continuing to set lean codes. I also have an evap problem, but I have isolated ...
April 22, 2013
2006 Lexus RX330 3.3L Poor Idle Quality, MIL Lamp on VIN: 2T2HA31U16
P0174: Fuel System Too Lean (Bank 2). This car came in with customer stating the check engine light came on after driven over a curb with left rear wheel. See no damage, codes po 174 lean bank 2 and po 302 # 2 cyl misfire. PLugs and #2 coil were new, still have same issue , no change. Found long t...
April 22, 2013
2009 Toyota Sienna LE 3.5L MIL Lamp on VIN: 5TDZK23C09
P0174: lean bank 2. i have this sienna that is running lean on both banks, i have replaced the mass air and o2 sensors from a running van with no change, plugged off the brake booster, changed the intake gaskets t/b gasket, fresh air intake hose from rear v/c to air box, pcv valv...
April 24, 2013
2009 Toyota Sienna LE 3.5L MIL Lamp on VIN: 5TDZK23C09
P0174: lean bank 2. i have this sienna that is running lean on both banks, i have replaced the mass air and o2 sensors from a running van with no change, plugged off the brake booster, changed the intake gaskets t/b gasket, fresh air intake hose from rear v/c to air box, pcv valv...
April 25, 2013