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P0171 Diagnostic Trouble Code Discussion for May 2015

Fuel System Lean (Bank 1)


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Trouble Ticket Help Requests for DTC P0171
Help Request Posted
2013 Dodge Avenger SXT 2.4L Poor Idle Quality, Hesitation, Stall, MIL Lamp on VIN: 1C3CDZCB3D
P0171: lean bank 1. ... guys,2013 Dodge avenger with 2.4 liter automatic that has a re-occuring p0171 and a intermitent stall and rough idle issue. Maf sensor and throttle unit replaced with no changes,o2 sensor appears to have a decent wave form and voltages.When i did the throt...
May 13, 2015
2007 Volkswagen Jetta Wolfsburg Edition 2.5L MIL Lamp on VIN: 3VWEF71K67
P0171: bank one lean. car came in for cel on. read code p0171, looked over system and did smoke test and vacuum on dipstick tube no problems. replaced valve cover because these seem to have a high failure rate on this vehicle but light came back on 2 days later. also noticed front ...
May 19, 2015
1999 Ford Ranger XLT 4.0L MIL Lamp on VIN: 1FTZR15X3X
P0171: lean bank one. Hello Got This Ranger with double lean codes shrt trim are are good at idle long is Plus 25 At 2500 Rpm shorts are at plus 21 and long is at 0 I have smoked it and sparayed it with carb spry can find a vaccum leak any were I put a new MAf on it no change
May 23, 2015
2008 Ford F-350 Super Duty XL 5.4L Hesitation, Cuts out VIN: 1FDSF30558
came from 2 other shops, that replaced 5 fuel pumps in a row never left the shop oem., bogs down, no power, hot under load . this is reading warm with no problem FRP at 40 psi, FP% 40 psi, FRP DSD 40%.readings under med, heavy load hot FRP 6psi, fp% 41 ,FRP DS...
May 27, 2015
2013 Nissan Murano SV 3.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: JN8AZ1MW6D
P0171: bank 1 system lean. ... with 2013 nissan murano 3.5L car came into dealer for rough run and mil on found vacuum leak at broken vacuum line under engine cover at a vacuum control solenoid and dtc's p0300 multiple cylinder misfire and p0171 system lean bank 1 i assumed replace sens...
May 27, 2015
2013 Nissan Murano SV 3.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: JN8AZ1MW6D
P0171: bank 1 system lean. ... with 2013 nissan murano 3.5L car came into dealer for rough run and mil on found vacuum leak at broken vacuum line under engine cover at a vacuum control solenoid and dtc's p0300 multiple cylinder misfire and p0171 system lean bank 1 i assumed replace sens...
May 28, 2015
2008 Ford F-350 Super Duty XL 5.4L Hesitation, Cuts out VIN: 1FDSF30558
came from 2 other shops, that replaced 5 fuel pumps in a row never left the shop oem., bogs down, no power, hot under load . this is reading warm with no problem FRP at 40 psi, FP% 40 psi, FRP DSD 40%.readings under med, heavy load hot FRP 6psi, fp% 41 ,FRP DS...
May 29, 2015
1999 Lexus RX300 3.0L MIL Lamp on VIN: JT6HF10U4X
P0171: bank one lean. ... driving highway speed about seven to ten miles check engine light will come on, and at times the valves will rattle. And then when you come to a stop it may not take off in low gear and no overdrive, turn the key off and re-start while going down the road ...
May 30, 2015