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P0171 Diagnostic Trouble Code Discussion for December 2014

Fuel System Lean (Bank 1)


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Trouble Ticket Help Requests for DTC P0171
Help Request Posted
1999 Pontiac Grand Am SE 2.4L Poor Idle Quality, Stall, Poor Fuel Economy VIN: 1G2NE52T6X
P0171: Fuel Trim System Lean. ... the best of me any help would be greatly apreciated. I have replaced the whole coil and module with two another good known ones and even replaced the coil cover and boots with new ones. 1999 Grand Am with a 2.4 L. runns very rough at idle ONLY. This is w...
December 08, 2014
2005 BMW 325i 2.5L MIL Lamp on
P0171: lean bank 1. long term fuel trims at idle +18 to +24 both banks close in trim. st fuel trim at idle + 3 to +8.Freeze frame showes hot at idle st lt trims to high. Sray intake w brake cleaner and fuel trims go neg. Even after gaskets and o rings. using propane around inject...
December 18, 2014
2003 Volkswagen Beetle GLS 1.8L MIL Lamp on, Lean VIN: 3VWCD21Y83
P0171: Running lean Bank 1. More hair lost. I have a Beetle with a P0171 code setting. Upon checking fuel trims after client dropping off vehicle, short and long were both + or - 0 to 3. Normal at the time I checked it. Stayed the same throughout complete test drive cycle. Checked freeze...
December 19, 2014
2005 BMW 325i 2.5L MIL Lamp on
P0171: lean bank 1. long term fuel trims at idle +18 to +24 both banks close in trim. st fuel trim at idle + 3 to +8.Freeze frame showes hot at idle st lt trims to high. Sray intake w brake cleaner and fuel trims go neg. Even after gaskets and o rings. using propane around inject...
December 20, 2014
2006 Chrysler 300 C SRT8 6.1L MIL Lamp on VIN: 2C3LA73W46
P0171: Fuel System Lean (Bank 1). This engine was stalling with a P061A. We updated the pcm and the lean codes immidately appeared. (wasn't driven) just started. These codes were not in memory before. If you drive the car the trims come down to a acceptable level 7 & 9 %. under load the tr...
December 22, 2014
1997 Chevrolet K2500 Suburban LS 7.4L Misfire VIN: 3GNGK26J2V
P0171: Fuel Trim System Lean (Bank 1). I have a misfire on #3 cylinder. This one came to me after many things tried elsewhere. The above listed has been changed, an rechecked while here. Converters have just been replaced for restriction. I have checked the previous repairs and adjustments, and fou...
December 23, 2014
2006 Chrysler 300 C SRT8 6.1L MIL Lamp on VIN: 2C3LA73W46
P0171: Fuel System Lean (Bank 1). This engine was stalling with a P061A. We updated the pcm and the lean codes immidately appeared. (wasn't driven) just started. These codes were not in memory before. If you drive the car the trims come down to a acceptable level 7 & 9 %. under load the tr...
December 24, 2014
2006 Chrysler Town & Country Limited 3.8L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire VIN: 2A4GP64L46
P0171: Fuel System Lean (Bank 1). Vehicle runs rough and occasionally will die and have a hard time starting. Initially had the 3 codes listed below. MAP sensor wasn't reading correctly so it was replaced. Now currently reads 1.22 volts but goes up when opening throttle. Injector #6 control wi...
December 24, 2014
2009 Volkswagen Tiguan SE 2.0L MIL Lamp on VIN: WVGAV75N99
P0171: lean bank 1. ... This car came in 2500 miles ago with a lean code 00369. Found crank case pressure valve on top of valve cover bad hand no vacuum in crank case and had vacuum leak from valve. Smoke tested and found no more leaks. The car is now in with a code p119a and has...
December 29, 2014