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P0171 Diagnostic Trouble Code Discussion for October 2013

Fuel System Lean (Bank 1)


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Trouble Ticket Help Requests for DTC P0171
Help Request Posted
2001 Ford Windstar LX 3.8L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 2FMZA50471
P0171: System too lean bank 1. ... into cyl #1 but I tried spraying propane and ether around it and I can't get any response, so now I'm not sure. After driving, the MIL light came on and started flashing, the freeze frame for P0301 shows: bank 1 LTFT 18.72% and bank2 LTFT 4.86%. I reset th...
October 17, 2013
2001 Ford Windstar LX 3.8L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 2FMZA50471
P0171: System too lean bank 1. ... into cyl #1 but I tried spraying propane and ether around it and I can't get any response, so now I'm not sure. After driving, the MIL light came on and started flashing, the freeze frame for P0301 shows: bank 1 LTFT 18.72% and bank2 LTFT 4.86%. I reset th...
October 18, 2013
1998 Lincoln Continental 4.6L Misfire VIN: 1LNFM97V8W
P0171: System Lean Bank 1. This Continental came in with the customer complaint of overheating. However, whatever issue the customer had with overheating is most likely coming from the lean condition and a Cyl 5 misfire. I pulled the codes listed, as well as a B1201 Fuel Sender Circuit ...
October 19, 2013
1998 Lexus ES300 3.0L Hesitation VIN: JT8BF28G5W
P0171: Fuel System Too Lean (Bank 1). ... middle of the afternoon p0171. Vac. Line coming off intake snorkle cracked and broken. Replaced with new hose released car same day. Cel back on 3 days later same po171. Car dropped off no gas... Jumped into car first thing in am to get gas. Getting up on ...
October 23, 2013
1998 Lexus ES300 3.0L Hesitation VIN: JT8BF28G5W
P0171: Fuel System Too Lean (Bank 1). ... middle of the afternoon p0171. Vac. Line coming off intake snorkle cracked and broken. Replaced with new hose released car same day. Cel back on 3 days later same po171. Car dropped off no gas... Jumped into car first thing in am to get gas. Getting up on ...
October 29, 2013
2007 Saturn Outlook XE 3.6L Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: 5GZER13737
P0171: Fuel System Lean (Bank 1). ... vel. came in with a evap code p0496 pinpoint test showed bad canister purge valve...replace valve then is when the lean codes showed up..st trims at 25 to 30 maxed out...no vacume leaks found..checked air filter and found oil laying inside air horn hose cl...
October 31, 2013
2001 Ford Windstar LX 3.8L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 2FMZA50471
P0171: System too lean bank 1. ... into cyl #1 but I tried spraying propane and ether around it and I can't get any response, so now I'm not sure. After driving, the MIL light came on and started flashing, the freeze frame for P0301 shows: bank 1 LTFT 18.72% and bank2 LTFT 4.86%. I reset th...
October 17, 2013
2001 Ford Windstar LX 3.8L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 2FMZA50471
P0171: System too lean bank 1. ... into cyl #1 but I tried spraying propane and ether around it and I can't get any response, so now I'm not sure. After driving, the MIL light came on and started flashing, the freeze frame for P0301 shows: bank 1 LTFT 18.72% and bank2 LTFT 4.86%. I reset th...
October 18, 2013
1998 Lincoln Continental 4.6L Misfire VIN: 1LNFM97V8W
P0171: System Lean Bank 1. This Continental came in with the customer complaint of overheating. However, whatever issue the customer had with overheating is most likely coming from the lean condition and a Cyl 5 misfire. I pulled the codes listed, as well as a B1201 Fuel Sender Circuit ...
October 19, 2013
1998 Lexus ES300 3.0L Hesitation VIN: JT8BF28G5W
P0171: Fuel System Too Lean (Bank 1). ... middle of the afternoon p0171. Vac. Line coming off intake snorkle cracked and broken. Replaced with new hose released car same day. Cel back on 3 days later same po171. Car dropped off no gas... Jumped into car first thing in am to get gas. Getting up on ...
October 23, 2013
1998 Lexus ES300 3.0L Hesitation VIN: JT8BF28G5W
P0171: Fuel System Too Lean (Bank 1). ... middle of the afternoon p0171. Vac. Line coming off intake snorkle cracked and broken. Replaced with new hose released car same day. Cel back on 3 days later same po171. Car dropped off no gas... Jumped into car first thing in am to get gas. Getting up on ...
October 29, 2013
2007 Saturn Outlook XE 3.6L Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: 5GZER13737
P0171: Fuel System Lean (Bank 1). ... vel. came in with a evap code p0496 pinpoint test showed bad canister purge valve...replace valve then is when the lean codes showed up..st trims at 25 to 30 maxed out...no vacume leaks found..checked air filter and found oi...
October 31, 2013