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P0174 Diagnostic Trouble Code Discussion for January 2013

Fuel System Lean (Bank 2)


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Trouble Ticket Help Requests for DTC P0174
Help Request Posted
2002 Saturn Vue 3.0L MIL Lamp on VIN: 5GZCZ63B42
P0174: Fuel Trim System Lean (Bank 2). throws lean codes both banks, however fuel trim is running negative on long and short term in freeze frame . live data fuel trim is around zero ,back and forth,pos-negative
January 10, 2013
2000 Dodge Intrepid 2.7L No Start, Poor Idle Quality, Hesitation, Stall, Misfire VIN: 2B3HD46R4Y
P0174: Fuel System Lean (Bank 2). Thanks to all reading this. I am really in the weeds on this one. I inheritted this car from a coworker after he spent a couple of days getting nowhere. When the car came in as a no start shortly after getting gas, we were able to get it started and limp into ...
January 12, 2013
2004 Dodge Ram 2500 Truck ST 5.7L Excessive Emissions, MIL Lamp on, Rich VIN: 1D7KU28D14
P0174: Fuel System Lean (Bank 2). This Dodge Hemi is a tough one! The customer called that the truck was running pig rich, enough that it makes your eyes water, and pushing black smoke. I asked if the Check Engine light was on, and he said yes. Shouldn't be too tough, I thought. I wish. I hoo...
January 18, 2013
2003 GMC Envoy XL SLT 5.3L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: 1GKET16P93
P0174: Fuel System Lean (Bank 2). Stumped again. This Envoy idles terrible and even dies out at idle sometimes. Both upstream 02s run at about 40 -60 mv. Soon as I touch the throttle they respond and go to 800 -900mv and they start responding perfectly. Fuel trims at idle are above 50 but I ca...
January 20, 2013
2006 Ford F-150 XLT 5.4L MIL Lamp on, Lean exhaust VIN: 1FTPX14536
P0174: System too lean bank 2. Customer stated that light would come on during longer trips finaly brought in in for us to check. Maf sensor had recently been replaced ,checked freeze frame data and found long term fuel trim at 25% and 29.7% short term was 13.3 and 11.7 no vacuum leaks were...
January 23, 2013
2001 BMW X5 4.4i 4.4L Hesitation, Cuts out, MIL Lamp on VIN: WBAFB33551
P0174: System too Lean Bank 2. ... and vehicle lacks power. Checked for codes; has code p0171 and p0174-system too lean both banks 1 & 2. Hooked smoke machine up. No leaks found cold. Test drove around block and vehicle has no power if WOT. If gas pedal is pressed down slowly, car will ...
January 25, 2013
2005 Ford Escape XLT 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FMYU03185
P0174: Lean bank2. Hard misfire #5 have move coils around,ohm wires to PCM,pulled valve cover looked at cams,valve springs ect.,check for vacuum leaks,run compression test. I'm thinking internal vacuum leak ,have smoked ,no leaks found .well maintained ,engine clean inside.
January 26, 2013
2001 BMW X5 4.4i 4.4L Hesitation, Cuts out, MIL Lamp on VIN: WBAFB33551
P0174: System too Lean Bank 2. ... and vehicle lacks power. Checked for codes; has code p0171 and p0174-system too lean both banks 1 & 2. Hooked smoke machine up. No leaks found cold. Test drove around block and vehicle has no power if WOT. If gas pedal is pressed down slowly, car will ...
January 28, 2013
2000 Ford Expedition XLT 5.4L MIL Lamp on VIN: 1FMPU16L8Y
P0174: Bank 2 too lean. ... Smoke test cold showed intake seals,iac,egr leak.replaced with oe. Maf was dirty. Replaced it with reman. Oxygen sensors were oe and very sluggish. Replaced with oe. Cleaned injectors twice with motorvac. Intake looked ok when i had it off. Ran great on tw...
January 29, 2013
2004 Land Rover Discovery HSE 4.6L Poor Idle Quality, Poor Fuel Economy VIN: SALTP194X4
P0174: Bank 2 system too lean. I have a Land Rover in the shop which I replaced the bank 2 front sensor for no activity which I thought was due to oil contamination. We have done several of these cars due to emission failures. At the same time I replaced the valve cover gaskets. Test drove ...
January 31, 2013
2002 Saturn Vue 3.0L MIL Lamp on VIN: 5GZCZ63B42
P0174: Fuel Trim System Lean (Bank 2). throws lean codes both banks, however fuel trim is running negative on long and short term in freeze frame . live data fuel trim is around zero ,back and forth,pos-negative
January 10, 2013
2000 Dodge Intrepid 2.7L No Start, Poor Idle Quality, Hesitation, Stall, Misfire VIN: 2B3HD46R4Y
P0174: Fuel System Lean (Bank 2). Thanks to all reading this. I am really in the weeds on this one. I inheritted this car from a coworker after he spent a couple of days getting nowhere. When the car came in as a no start shortly after getting gas, we were able to get it started and limp into ...
January 12, 2013
2004 Dodge Ram 2500 Truck ST 5.7L Excessive Emissions, MIL Lamp on, Rich VIN: 1D7KU28D14
P0174: Fuel System Lean (Bank 2). This Dodge Hemi is a tough one! The customer called that the truck was running pig rich, enough that it makes your eyes water, and pushing black smoke. I asked if the Check Engine light was on, and he said yes. Shouldn't be too tough, I thought. I wish. I hoo...
January 18, 2013
2003 GMC Envoy XL SLT 5.3L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: 1GKET16P93
P0174: Fuel System Lean (Bank 2). Stumped again. This Envoy idles terrible and even dies out at idle sometimes. Both upstream 02s run at about 40 -60 mv. Soon as I touch the throttle they respond and go to 800 -900mv and they start responding perfectly. Fuel trims at idle are above 50 but I ca...
January 20, 2013
2006 Ford F-150 XLT 5.4L MIL Lamp on, Lean exhaust VIN: 1FTPX14536
P0174: System too lean bank 2. Customer stated that light would come on during longer trips finaly brought in in for us to check. Maf sensor had recently been replaced ,checked freeze frame data and found long term fuel trim at 25% and 29.7% short term was 13.3 and 11.7 no vacuum leaks were...
January 23, 2013
2001 BMW X5 4.4i 4.4L Hesitation, Cuts out, MIL Lamp on VIN: WBAFB33551
P0174: System too Lean Bank 2. ... and vehicle lacks power. Checked for codes; has code p0171 and p0174-system too lean both banks 1 & 2. Hooked smoke machine up. No leaks found cold. Test drove around block and vehicle has no power if WOT. If gas pedal is pressed down slowly, car will ...
January 25, 2013
2005 Ford Escape XLT 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FMYU03185
P0174: Lean bank2. Hard misfire #5 have move coils around,ohm wires to PCM,pulled valve cover looked at cams,valve springs ect.,check for vacuum leaks,run compression test. I'm thinking internal vacuum leak ,have smoked ,no leaks found .well maintained ,engine clean inside.
January 26, 2013
2001 BMW X5 4.4i 4.4L Hesitation, Cuts out, MIL Lamp on VIN: WBAFB33551
P0174: System too Lean Bank 2. ... and vehicle lacks power. Checked for codes; has code p0171 and p0174-system too lean both banks 1 & 2. Hooked smoke machine up. No leaks found cold. Test drove around block and vehicle has no power if WOT. If gas pedal is pressed down slowly, car will ...
January 28, 2013
2000 Ford Expedition XLT 5.4L MIL Lamp on VIN: 1FMPU16L8Y
P0174: Bank 2 too lean. ... Smoke test cold showed intake seals,iac,egr leak.replaced with oe. Maf was dirty. Replaced it with reman. Oxygen sensors were oe and very sluggish. Replaced with oe. Cleaned injectors twice with motorvac. Intake looked ok when i had it off. Ran great on tw...
January 29, 2013
2004 Land Rover Discovery HSE 4.6L Poor Idle Quality, Poor Fuel Economy VIN: SALTP194X4
P0174: Bank 2 system too lean. I have a Land Rover in the shop which I replaced the bank 2 front sensor for no activity which I thought was due to oil contamination. We have done several of these cars due to emission failures. At the same time I replaced the valve cover gaskets. Test drove ...
January 31, 2013