P0171 Diagnostic Trouble Code Discussion for January 2017
Fuel System Lean (Bank 1)
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| Help Request | Posted | |
| 2013 BMW X3 xDrive28i 2.0L MIL Lamp on VIN: 5UXWX9C51D P0171: Bank 1 System Too Lean. ... replace injectors. We do have a 2014 X3 with the same N20 engine to borrow parts from. Scan tool data between the two is identical other than multiplicative adaptation, ours is about 1.27-1.29 at all times. This vehicle came in with the MIL on, P0171 Bank... |
January 03, 2017 | |
| 2006 Land Rover Range Rover Sport HSE 4.4L MIL Lamp on, VIN: SALSF25416 P0171: lean. smoked motor found egr leaking bad. changed egr still same code. clean throttle body amd mass air flow sensor. thought I had it took a long time to come on. used to come on right away.. smoked motor again no leak anywhere |
January 03, 2017 | |
| 2006 Land Rover Range Rover Sport HSE 4.4L MIL Lamp on, VIN: SALSF25416 P0171: lean. smoked motor found egr leaking bad. changed egr still same code. clean throttle body amd mass air flow sensor. thought I had it took a long time to come on. used to come on right away.. smoked motor again no leak anywhere |
January 04, 2017 | |
| 2011 Chevrolet Equinox LS 2.4L Poor Idle Quality, Hesitation, Stall, MIL Lamp on VIN: 2CNFLCEC8B P0171: System Too Lean Bank 1. Customer presented vehicle because of long standing intermittent issues not cured although things certainly tried. See repair history. Car on occasion will sputter, hesitate, lack power, and/or set MIL. See initial test results and see DTCs I listed plus thes... |
January 07, 2017 | |
| 2002 Chevrolet Avalanche 1500 5.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3GNEK13T12 P0171: Fuel Trim System Lean (Bank 1). ... idle (at a light/stop sign) after highway driving when ck light comes on p0300. It doesn't happen all the time. I drove it for forty miles nothing, drove it again happened after about 15 miles of highway, light came on flashing got off highway at low rpms ... |
January 09, 2017 | |
| 2002 Chevrolet Avalanche 1500 5.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3GNEK13T12 P0171: Fuel Trim System Lean (Bank 1). ... idle (at a light/stop sign) after highway driving when ck light comes on p0300. It doesn't happen all the time. I drove it for forty miles nothing, drove it again happened after about 15 miles of highway, light came on flashing got off highway at low rpms ... |
January 13, 2017 | |
| 2011 Chevrolet Equinox LS 2.4L Poor Idle Quality, Hesitation, Stall, MIL Lamp on VIN: 2CNFLCEC8B P0171: System Too Lean Bank 1. Customer presented vehicle because of long standing intermittent issues not cured although things certainly tried. See repair history. Car on occasion will sputter, hesitate, lack power, and/or set MIL. See initial test results and see DTCs I listed plus thes... |
January 15, 2017 | |
| 2012 Chevrolet Malibu LT 2.4L Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1G1ZC5E07C P0171: Fuel trim system lean bank 1. This has been and on going problem with this car . It will go for weeks at a time and not trip any codes . Problem happens at idle when starting or at idle when coming to stops poor idle and acts like it wants to stall .map sensor has been replace 2 times 1 af... |
January 19, 2017 | |
| 2002 Toyota RAV4 2.0L Misfire, MIL Lamp on VIN: JTEGH20V82 P0171: Fuel System Too Lean (Bank 1). I have this rav 4 that is kicking my butt. it came in with a misfire on cylinder 2 and a lean code. I traced the misfire down to the no. 2 injector and replaced it. The fuel trim was reading 40 on long term. 20 on short term, after driving it a little bit the ... |
January 19, 2017 | |
| 2013 BMW X3 xDrive28i 2.0L MIL Lamp on VIN: 5UXWX9C51D P0171: Bank 1 System Too Lean. ... replace injectors. We do have a 2014 X3 with the same N20 engine to borrow parts from. Scan tool data between the two is identical other than multiplicative adaptation, ours is about 1.27-1.29 at all times. This vehicle came in with the MIL on, P0171 Bank... |
January 25, 2017 | |
| 2004 Saab 9-3 Arc 2.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: YS3FD45YX4 P0171: STFT lean. ... shop who appears to be talented but without Saab experience or a Tech 11. They noted that they had retrieved a P0171 STFT lean code. They smoked the intake, replaced both O2 sensors, cleaned MAF and got nowhere. When I got the car the CEL was not on and th... |
January 25, 2017 | |
| 2009 Volkswagen Passat Komfort 2.0L Poor Idle Quality, Cuts out, MIL Lamp on VIN: WVWJK73C69 P0171: Fuel Trim System Lean Bank 1. Replaced -fuel pressure sensor/boost pressure sensor/dealer replaced intake runner and reflashed pcm. 4 new coils and cam sensor replaced by dealer in march 2016. Vehicle came in with a check engine light on and the vehicle was running fine. After checking co... |
January 25, 2017 | |
| 2006 Chevrolet Express 2500 4.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GCGG25V36 P0171: Fuel Trim System Lean (Bank 1). After engine swap vehicle road tested perfectly with no issues. verified fuel trims had returned to normal. Vehicle came in with same issue a week later, same cylinder for most part (cyl 7 almost constant dead miss). Sometimes misfire on counter increments on ... |
January 30, 2017 | |
| 2002 Ford Explorer Sport Trac XL 4.0L MIL Lamp on VIN: 1FMZU77E72 P0171: Lean bank 1. Hi, have 02 sport trac with p0171 and p0174. Replaced intake gaskets, spark plugs and wires, has new pcv hose, new maf sensor, and new fuel filter. Both bank ltft's go to 20% at idle, stft stay at -3 to 3% at idle. If engine rpm is held up we get same readings... |
January 31, 2017 |
