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P0171 Diagnostic Trouble Code Discussion for March 2014

Fuel System Lean (Bank 1)


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Trouble Ticket Help Requests for DTC P0171
Help Request Posted
2006 Kia Sportage EX 2.7L MIL Lamp on VIN: KNDJE72386
P0171: Fuel System Too Lean (Bank 1). ... mil.Scanned found p0171/0174 b1/b2 system too lean dtc's.Helping a friend out so I figured I would find a quick easy fix.only had the vehicle for a short time,sprayed w/ carb clean no idle change or stft change,smoked intake,found smoke seemed to be coming...
March 07, 2014
2003 Pontiac Grand Prix GT 3.8L MIL Lamp on VIN: 1G2WP52K23
P0171: Fuel System Lean (Bank 1). replaced gasket's for visible leak replaced intake because of crack and coolant leak now have high fuel trim's s/t pos.19-20, l/t at 26 when removed upper plenum found pcv hose looked odd memory has failed me should curled end be up in pcv area or should strai...
March 07, 2014
2006 Kia Sportage EX 2.7L MIL Lamp on VIN: KNDJE72386
P0171: Fuel System Too Lean (Bank 1). ... mil.Scanned found p0171/0174 b1/b2 system too lean dtc's.Helping a friend out so I figured I would find a quick easy fix.only had the vehicle for a short time,sprayed w/ carb clean no idle change or stft change,smoked intake,found smoke seemed to be coming...
March 08, 2014
2008 Nissan Altima 2.5L Hesitation, Cuts out, MIL Lamp on
P0171: customer stated a hesitation at 2000 rpm. MIL on p0171 freeze frame tp 13% ect 181 f 56 mph load 19% baro 30 I am at sea level calculated load 21.2 % cat temp 687 f cmd equivalent ratio .91 :1 ltft 37.5 MAF 8.53 g/s equivalent ratio b1s1 1.51- 1 live data after cleaning 201f stft -17.1 ftft 17.1 tp...
March 08, 2014
2000 Dodge Dakota SLT 4.7L Poor Idle Quality, Stall, MIL Lamp on, No start when hot VIN: 1B7GL2AN7Y
P0171: Fuel System Lean (Bank 1). Vehicle came in running very poorly, a broken manifold vacuum was repaired.spark plugs and coils 4&8 were replaced.vehicle runs smooth now, until it gets hot and you shut it off for a few minutes. Then the vehicle will not start.after the vehicle cools to ...
March 11, 2014
2009 Volkswagen Tiguan SE 2.0L MIL Lamp on VIN: WVGBV75N19
P0171: System lean Bank 1. ... problem. I need a little information to move the process along. Customer complaint: The car was run out of fuel and now the check engine light comes on. The codes: P0171 system lean bank 1 and P119A fuel pressure sensor (G24...
March 13, 2014
2000 Ford Windstar LX 3.8L Poor Idle Quality, MIL Lamp on VIN: 2FMZA5149Y
P0171: Bank 1 Lean. ... Vehicle was repaired at another shop for engine noise. Had to return vehicle multiple times to solve engine noise problem. Customer had to threaten legal action to get repairs completed at no further cost after multiple increases in price. Engine noise was...
March 15, 2014
2004 Ford F-150 FX4 5.4L Misfire VIN: 1FTPW14564
P0171: lean b1. good monday morning gents, Ive had this f150 now about 2 weeks and at my wits end. Original problem occasional miss at 45-48 tip in throttle. No lean codes,missfire 6 code. Decided to do 8-plugs,8 coils.Broke 4 plugs comming out,retrived 3 w/tool. number 6 plu...
March 17, 2014
2001 Toyota Camry LE 2.2L MIL Lamp on VIN: JT2BG22K71
P0171: Fuel System Too Lean (Bank 1). ... a check engine light on and pulled a p0171 code. Also had a broken flex pipe. Replace flex pipe assy to repair exhaust leak and also replaced air fuel sensor due to no responce when car rpm is held at 2500 rpm and also when propane is added on a vac leak i...
March 17, 2014
2004 Ford Freestar SES 3.9L MIL Lamp on VIN: 2FMZA57634
P0171: lean bank 1. ... with poor idle , surging & lean condition. Replaced pcv elbow & this took care of the surging & poor idle. Felt slight miss at idle but no misfire code. Replaced plugs due to oil burning. Ended up with code p0171. Intake gaskets were leaking co...
March 21, 2014
2001 Ford F-150 Lariat 4.6L Poor Idle Quality, MIL Lamp on VIN: 1FTRX18W61
P0171: system too lean bank 1. This vehicle came into the shop with a broken spark plug which had already previously had a heli-coil installed on cylinder #5. Vehicle did no run when it came in so we have no reference on how it ran before but customer said it ran fine prior to repair. Head...
March 24, 2014
2004 Dodge Neon SRT-4 2.4L MIL Lamp on VIN: 1B3ES66S04
P0171: Fuel System Lean. ... is killing me .came in with mil onand a code p0171.looked at data and found ltft at 23-28 at idle only once off idle all numbers llok great.assumed a vacuum leak tried smoking brake cleen propane to no avail.can not see a leak.was thinking intake gasket.fu...
March 26, 2014
2006 Kia Sportage EX 2.7L MIL Lamp on VIN: KNDJE72386
P0171: Fuel System Too Lean (Bank 1). ... mil.Scanned found p0171/0174 b1/b2 system too lean dtc's.Helping a friend out so I figured I would find a quick easy fix.only had the vehicle for a short time,sprayed w/ carb clean no idle change or stft change,smoked intake,found smoke seemed to be coming...
March 07, 2014
2003 Pontiac Grand Prix GT 3.8L MIL Lamp on VIN: 1G2WP52K23
P0171: Fuel System Lean (Bank 1). replaced gasket's for visible leak replaced intake because of crack and coolant leak now have high fuel trim's s/t pos.19-20, l/t at 26 when removed upper plenum found pcv hose looked odd memory has failed me should curled end be up in pcv area or should strai...
March 07, 2014
2006 Kia Sportage EX 2.7L MIL Lamp on VIN: KNDJE72386
P0171: Fuel System Too Lean (Bank 1). ... mil.Scanned found p0171/0174 b1/b2 system too lean dtc's.Helping a friend out so I figured I would find a quick easy fix.only had the vehicle for a short time,sprayed w/ carb clean no idle change or stft change,smoked intake,found smoke seemed to be coming...
March 08, 2014
2008 Nissan Altima 2.5L Hesitation, Cuts out, MIL Lamp on
P0171: customer stated a hesitation at 2000 rpm. MIL on p0171 freeze frame tp 13% ect 181 f 56 mph load 19% baro 30 I am at sea level calculated load 21.2 % cat temp 687 f cmd equivalent ratio .91 :1 ltft 37.5 MAF 8.53 g/s equivalent ratio b1s1 1.51- 1 live data after cleaning 201f stft -17.1 ftft 17.1 tp...
March 08, 2014
2000 Dodge Dakota SLT 4.7L Poor Idle Quality, Stall, MIL Lamp on, No start when hot VIN: 1B7GL2AN7Y
P0171: Fuel System Lean (Bank 1). Vehicle came in running very poorly, a broken manifold vacuum was repaired.spark plugs and coils 4&8 were replaced.vehicle runs smooth now, until it gets hot and you shut it off for a few minutes. Then the vehicle will not start.after the vehicle cools to ...
March 11, 2014
2009 Volkswagen Tiguan SE 2.0L MIL Lamp on VIN: WVGBV75N19
P0171: System lean Bank 1. ... problem. I need a little information to move the process along. Customer complaint: The car was run out of fuel and now the check engine light comes on. The codes: P0171 system lean bank 1 and P119A fuel pressure sensor (G24...
March 13, 2014
2000 Ford Windstar LX 3.8L Poor Idle Quality, MIL Lamp on VIN: 2FMZA5149Y
P0171: Bank 1 Lean. ... Vehicle was repaired at another shop for engine noise. Had to return vehicle multiple times to solve engine noise problem. Customer had to threaten legal action to get repairs completed at no further cost after multiple increases in price. Engine noise was...
March 15, 2014
2004 Ford F-150 FX4 5.4L Misfire VIN: 1FTPW14564
P0171: lean b1. good monday morning gents, Ive had this f150 now about 2 weeks and at my wits end. Original problem occasional miss at 45-48 tip in throttle. No lean codes,missfire 6 code. Decided to do 8-plugs,8 coils.Broke 4 plugs comming out,retrived 3 w/tool. number 6 plu...
March 17, 2014
2001 Toyota Camry LE 2.2L MIL Lamp on VIN: JT2BG22K71
P0171: Fuel System Too Lean (Bank 1). ... a check engine light on and pulled a p0171 code. Also had a broken flex pipe. Replace flex pipe assy to repair exhaust leak and also replaced air fuel sensor due to no responce when car rpm is held at 2500 rpm and also when propane is added on a vac leak i...
March 17, 2014
2004 Ford Freestar SES 3.9L MIL Lamp on VIN: 2FMZA57634
P0171: lean bank 1. ... with poor idle , surging & lean condition. Replaced pcv elbow & this took care of the surging & poor idle. Felt slight miss at idle but no misfire code. Replaced plugs due to oil burning. Ended up with code p0171. Intake gaskets were leaking co...
March 21, 2014
2001 Ford F-150 Lariat 4.6L Poor Idle Quality, MIL Lamp on VIN: 1FTRX18W61
P0171: system too lean bank 1. This vehicle came into the shop with a broken spark plug which had already previously had a heli-coil installed on cylinder #5. Vehicle did no run when it came in so we have no reference on how it ran before but customer said it ran fine prior to repair. Head...
March 24, 2014
2004 Dodge Neon SRT-4 2.4L MIL Lamp on VIN: 1B3ES66S04
P0171: Fuel System Lean (Bank 1). ... is killing me .came in with mil onand a code p0171.looked at data and found ltft at 23-28 at idle only once off idle all numbers llok great.assumed a vacuum leak tried smoking brake cleen propane to no avail.can not see a leak.was thinking intake gasket.fu...
March 26, 2014
2006 Kia Sportage EX 2.7L MIL Lamp on VIN: KNDJE72386
P0171: Fuel System Too Lean (Bank 1). ... mil.Scanned found p0171/0174 b1/b2 system too lean dtc's.Helping a friend out so I figured I would find a quick easy fix.only had the vehicle for a short time,sprayed w/ carb clean no idle change or stft change,smoked intake,found smoke seemed to be coming...
March 07, 2014
2003 Pontiac Grand Prix GT 3.8L MIL Lamp on VIN: 1G2WP52K23
P0171: Fuel System Lean (Bank 1). replaced gasket's for visible leak replaced intake because of crack and coolant leak now have high fuel trim's s/t pos.19-20, l/t at 26 when removed upper plenum found pcv hose looked odd memory has failed me should curled end be up in pcv area or should strai...
March 07, 2014
2006 Kia Sportage EX 2.7L MIL Lamp on VIN: KNDJE72386
P0171: Fuel System Too Lean (Bank 1). ... mil.Scanned found p0171/0174 b1/b2 system too lean dtc's.Helping a friend out so I figured I would find a quick easy fix.only had the vehicle for a short time,sprayed w/ carb clean no idle change or stft change,smoked intake,found smoke seemed to be coming...
March 08, 2014
2008 Nissan Altima 2.5L Hesitation, Cuts out, MIL Lamp on
P0171: customer stated a hesitation at 2000 rpm. MIL on p0171 freeze frame tp 13% ect 181 f 56 mph load 19% baro 30 I am at sea level calculated load 21.2 % cat temp 687 f cmd equivalent ratio .91 :1 ltft 37.5 MAF 8.53 g/s equivalent ratio b1s1 1.51- 1 live data after cleaning 201f stft -17.1 ftft 17.1 tp...
March 08, 2014
2000 Dodge Dakota SLT 4.7L Poor Idle Quality, Stall, MIL Lamp on, No start when hot VIN: 1B7GL2AN7Y
P0171: Fuel System Lean (Bank 1). Vehicle came in running very poorly, a broken manifold vacuum was repaired.spark plugs and coils 4&8 were replaced.vehicle runs smooth now, until it gets hot and you shut it off for a few minutes. Then the vehicle will not start.after the vehicle cools to ...
March 11, 2014
2009 Volkswagen Tiguan SE 2.0L MIL Lamp on VIN: WVGBV75N19
P0171: System lean Bank 1. ... problem. I need a little information to move the process along. Customer complaint: The car was run out of fuel and now the check engine light comes on. The codes: P0171 system lean bank 1 and P119A fuel pressure sensor (G24...
March 13, 2014
2000 Ford Windstar LX 3.8L Poor Idle Quality, MIL Lamp on VIN: 2FMZA5149Y
P0171: Bank 1 Lean. ... Vehicle was repaired at another shop for engine noise. Had to return vehicle multiple times to solve engine noise problem. Customer had to threaten legal action to get repairs completed at no further cost after multiple increases in price. Engine noise was...
March 15, 2014
2004 Ford F-150 FX4 5.4L Misfire VIN: 1FTPW14564
P0171: lean b1. good monday morning gents, Ive had this f150 now about 2 weeks and at my wits end. Original problem occasional miss at 45-48 tip in throttle. No lean codes,missfire 6 code. Decided to do 8-plugs,8 coils.Broke 4 plugs comming out,retrived 3 w/tool. number 6 plu...
March 17, 2014
2001 Toyota Camry LE 2.2L MIL Lamp on VIN: JT2BG22K71
P0171: Fuel System Too Lean (Bank 1). ... a check engine light on and pulled a p0171 code. Also had a broken flex pipe. Replace flex pipe assy to repair exhaust leak and also replaced air fuel sensor due to no responce when car rpm is held at 2500 rpm and also when propane is added on a vac leak i...
March 17, 2014
2004 Ford Freestar SES 3.9L MIL Lamp on VIN: 2FMZA57634
P0171: lean bank 1. ... with poor idle , surging & lean condition. Replaced pcv elbow & this took care of the surging & poor idle. Felt slight miss at idle but no misfire code. Replaced plugs due to oil burning. Ended up with code p0171. Intake gaskets were leaking co...
March 21, 2014
2001 Ford F-150 Lariat 4.6L Poor Idle Quality, MIL Lamp on VIN: 1FTRX18W61
P0171: system too lean bank 1. This vehicle came into the shop with a broken spark plug which had already previously had a heli-coil installed on cylinder #5. Vehicle did no run when it came in so we have no reference on how it ran before but customer said it ran fine prior to repair. Head...
March 24, 2014
2004 Dodge Neon SRT-4 2.4L MIL Lamp on VIN: 1B3ES66S04
P0171: Fuel System Lean (Bank 1). ... is killing me .came in with mil onand a code p0171.looked at data and found ltft at 23-28 at idle only once off idle all numbers llok great.assumed a vacuum leak tried smoking brake cleen propane to no avail.can not see a leak.was thinking intake gasket.fu...
March 26, 2014
2006 Kia Sportage EX 2.7L MIL Lamp on VIN: KNDJE72386
P0171: Fuel System Too Lean (Bank 1). ... mil.Scanned found p0171/0174 b1/b2 system too lean dtc's.Helping a friend out so I figured I would find a quick easy fix.only had the vehicle for a short time,sprayed w/ carb clean no idle change or stft change,smoked intake,found smoke seemed to be coming...
March 07, 2014
2003 Pontiac Grand Prix GT 3.8L MIL Lamp on VIN: 1G2WP52K23
P0171: Fuel System Lean (Bank 1). replaced gasket's for visible leak replaced intake because of crack and coolant leak now have high fuel trim's s/t pos.19-20, l/t at 26 when removed upper plenum found pcv hose looked odd memory has failed me should curled end be up in pcv area or should strai...
March 07, 2014
2006 Kia Sportage EX 2.7L MIL Lamp on VIN: KNDJE72386
P0171: Fuel System Too Lean (Bank 1). ... mil.Scanned found p0171/0174 b1/b2 system too lean dtc's.Helping a friend out so I figured I would find a quick easy fix.only had the vehicle for a short time,sprayed w/ carb clean no idle change or stft change,smoked intake,found smoke seemed to be coming...
March 08, 2014
2008 Nissan Altima 2.5L Hesitation, Cuts out, MIL Lamp on
P0171: customer stated a hesitation at 2000 rpm. MIL on p0171 freeze frame tp 13% ect 181 f 56 mph load 19% baro 30 I am at sea level calculated load 21.2 % cat temp 687 f cmd equivalent ratio .91 :1 ltft 37.5 MAF 8.53 g/s equivalent ratio b1s1 1.51- 1 live data after cleaning 201f stft -17.1 ftft 17.1 tp...
March 08, 2014
2000 Dodge Dakota SLT 4.7L Poor Idle Quality, Stall, MIL Lamp on, No start when hot VIN: 1B7GL2AN7Y
P0171: Fuel System Lean (Bank 1). Vehicle came in running very poorly, a broken manifold vacuum was repaired.spark plugs and coils 4&8 were replaced.vehicle runs smooth now, until it gets hot and you shut it off for a few minutes. Then the vehicle will not start.after the vehicle cools to ...
March 11, 2014
2009 Volkswagen Tiguan SE 2.0L MIL Lamp on VIN: WVGBV75N19
P0171: System lean Bank 1. ... problem. I need a little information to move the process along. Customer complaint: The car was run out of fuel and now the check engine light comes on. The codes: P0171 system lean bank 1 and P119A fuel pressure sensor (G24...
March 13, 2014
2000 Ford Windstar LX 3.8L Poor Idle Quality, MIL Lamp on VIN: 2FMZA5149Y
P0171: Bank 1 Lean. ... Vehicle was repaired at another shop for engine noise. Had to return vehicle multiple times to solve engine noise problem. Customer had to threaten legal action to get repairs completed at no further cost after multiple increases in price. Engine noise was...
March 15, 2014
2004 Ford F-150 FX4 5.4L Misfire VIN: 1FTPW14564
P0171: lean b1. good monday morning gents, Ive had this f150 now about 2 weeks and at my wits end. Original problem occasional miss at 45-48 tip in throttle. No lean codes,missfire 6 code. Decided to do 8-plugs,8 coils.Broke 4 plugs comming out,retrived 3 w/tool. number 6 plu...
March 17, 2014
2001 Toyota Camry LE 2.2L MIL Lamp on VIN: JT2BG22K71
P0171: Fuel System Too Lean (Bank 1). ... a check engine light on and pulled a p0171 code. Also had a broken flex pipe. Replace flex pipe assy to repair exhaust leak and also replaced air fuel sensor due to no responce when car rpm is held at 2500 rpm and also when propane is added on a vac leak i...
March 17, 2014
2004 Ford Freestar SES 3.9L MIL Lamp on VIN: 2FMZA57634
P0171: lean bank 1. ... with poor idle , surging & lean condition. Replaced pcv elbow & this took care of the surging & poor idle. Felt slight miss at idle but no misfire code. Replaced plugs due to oil burning. Ended up with code p0171. Intake gaskets were leaking co...
March 21, 2014
2001 Ford F-150 Lariat 4.6L Poor Idle Quality, MIL Lamp on VIN: 1FTRX18W61
P0171: system too lean bank 1. This vehicle came into the shop with a broken spark plug which had already previously had a heli-coil installed on cylinder #5. Vehicle did no run when it came in so we have no reference on how it ran before but customer said it ran fine prior to repair. Head...
March 24, 2014
2004 Dodge Neon SRT-4 2.4L MIL Lamp on VIN: 1B3ES66S04
P0171: Fuel System Lean (Bank 1). ... is killing me .came in with mil onand a code p0171.looked at data and found ltft at 23-28 at idle only once off idle all numbers llok great.assumed a vacuum leak tried smoking brake cleen propane to no avail.can not see a leak.was thinking intake gasket.fu...
March 26, 2014
2006 Kia Sportage EX 2.7L MIL Lamp on VIN: KNDJE72386
P0171: Fuel System Too Lean (Bank 1). ... mil.Scanned found p0171/0174 b1/b2 system too lean dtc's.Helping a friend out so I figured I would find a quick easy fix.only had the vehicle for a short time,sprayed w/ carb clean no idle change or stft change,smoked intak...
March 07, 2014
2003 Pontiac Grand Prix GT 3.8L MIL Lamp on VIN: 1G2WP52K23
P0171: Fuel System Lean (Bank 1). replaced gasket's for visible leak replaced intake because of crack and coolant leak now have high fuel trim's s/t pos.19-20, l/t at 26 when removed upper plenum found pcv hose looked odd memory has failed me should curled end be up in pcv area or should strai...
March 07, 2014
2006 Kia Sportage EX 2.7L MIL Lamp on VIN: KNDJE72386
P0171: Fuel System Too Lean (Bank 1). ... mil.Scanned found p0171/0174 b1/b2 system too lean dtc's.Helping a friend out so I figured I would find a quick easy fix.only had the vehicle for a short time,sprayed w/ carb clean no idle change or stft change,smoked intak...
March 08, 2014
2008 Nissan Altima 2.5L Hesitation, Cuts out, MIL Lamp on
P0171: customer stated a hesitation at 2000 rpm. MIL on p0171 freeze frame tp 13% ect 181 f 56 mph load 19% baro 30 I am at sea level calculated load 21.2 % cat temp 687 f cmd equivalent ratio .91 :1 ltft 37.5 MAF 8.53 g/s equivalent ratio b1s1 1.51- 1 live data after cleaning 201f stft -17.1 ftft 17.1 tp...
March 08, 2014
2000 Dodge Dakota SLT 4.7L Poor Idle Quality, Stall, MIL Lamp on, No start when hot VIN: 1B7GL2AN7Y
P0171: Fuel System Lean (Bank 1). Vehicle came in running very poorly, a broken manifold vacuum was repaired.spark plugs and coils 4&8 were replaced.vehicle runs smooth now, until it gets hot and you shut it off for a few minutes. Then the vehicle will not start.after the vehicle cools to ...
March 11, 2014
2009 Volkswagen Tiguan SE 2.0L MIL Lamp on VIN: WVGBV75N19
P0171: System lean Bank 1. ... problem. I need a little information to move the process along. Customer complaint: The car was run out of fuel and now the check engine light comes on. The codes: P0171 system lean bank 1 and P119A fuel pressure sensor (G24...
March 13, 2014
2000 Ford Windstar LX 3.8L Poor Idle Quality, MIL Lamp on VIN: 2FMZA5149Y
P0171: Bank 1 Lean. ... Vehicle was repaired at another shop for engine noise. Had to return vehicle multiple times to solve engine noise problem. Customer had to threaten legal action to get repairs completed at no further cost after multiple increases in price. Engine noise was...
March 15, 2014
2004 Ford F-150 FX4 5.4L Misfire VIN: 1FTPW14564
P0171: lean b1. good monday morning gents, Ive had this f150 now about 2 weeks and at my wits end. Original problem occasional miss at 45-48 tip in throttle. No lean codes,missfire 6 code. Decided to do 8-plugs,8 coils.Broke 4 plugs comming out,retrived 3 w/tool. number 6 plu...
March 17, 2014
2001 Toyota Camry LE 2.2L MIL Lamp on VIN: JT2BG22K71
P0171: Fuel System Too Lean (Bank 1). ... a check engine light on and pulled a p0171 code. Also had a broken flex pipe. Replace flex pipe assy to repair exhaust leak and also replaced air fuel sensor due to no responce when car rpm is held at 2500 rpm and also when propane is added on a vac leak i...
March 17, 2014
2004 Ford Freestar SES 3.9L MIL Lamp on VIN: 2FMZA57634
P0171: lean bank 1. ... with poor idle , surging & lean condition. Replaced pcv elbow & this took care of the surging & poor idle. Felt slight miss at idle but no misfire code. Replaced plugs due to oil burning. Ended up with code p0171. Intake gaskets were leaking co...
March 21, 2014
2001 Ford F-150 Lariat 4.6L Poor Idle Quality, MIL Lamp on VIN: 1FTRX18W61
P0171: system too lean bank 1. This vehicle came into the shop with a broken spark plug which had already previously had a heli-coil installed on cylinder #5. Vehicle did no run when it came in so we have no reference on how it ran before but customer said it ran fine prior to repair. Head...
March 24, 2014
2004 Dodge Neon SRT-4 2.4L MIL Lamp on VIN: 1B3ES66S04
P0171: Fuel System Lean (Bank 1). ... is killing me .came in with mil onand a code p0171.looked at data and found ltft at 23-28 at idle only once off idle all numbers llok great.assumed a vacuum leak tried smoking brake cleen propane to no avail.can not see a leak.was thinking intake gasket.fu...
March 26, 2014