P0171 Diagnostic Trouble Code Discussion for May 2016
Fuel System Lean (Bank 1)
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| Help Request | Posted | |
| 2012 Chevrolet Sonic LT 1.8L MIL Lamp on VIN: 1G1JC5SHXC P0171: engine running lean. Hi to all . I have this vehicle with CEL on with TDC po171. But can only communication OBD2 . No communication by VIN ,engine size, model...Used 3 scanner ,snap-on, I scan, Tech 2 . Still no communication . I double check everything 3 or 4 5..times with 3 scan... |
May 04, 2016 | |
| 2009 Dodge Caliber SXT 2.0L MIL Lamp on P0171: testing and results. this caliber has a p0171 lean code long term fuel trim 30 short term is around -3 to plus 7. 02 sensors up stream bank 1 sensor 1 reading around 0.12 to 0.79 bank 1 sensor 2 readings .12 to .71 i have replaced fuel injectors.map sensor, pcm,02 sensors checked ... |
May 07, 2016 | |
| 1999 Ford Ranger XL 3.0L Lean fuel codes VIN: 1FTZR15V1X P0171: System too lean bank 1. ... p0171 and p0174 and p0460 were present. I tested fuel pressure and it was at 53psi. tested the O2 sensors and found all three sensors were stuck at 800mv. When I graph the sensors with my scanner the voltage stays constant. I introduced a good sized vacuum... |
May 12, 2016 | |
| 2006 Chevrolet Impala SS 5.3L Misfire, MIL Lamp on VIN: 2G1WD58C96 P0171: Fuel System Lean. ... (actual vs expected) p0171 lean bank one p0420 cat efficiency p3449 Cylinder 7 displacement on demand deactivation solenoid control circuit. the 1101 resets pretty quickly (first in pending then again as a hard code, from ... |
May 16, 2016 | |
| 2009 Dodge Caliber SXT 2.0L MIL Lamp on P0171: testing and results. this caliber has a p0171 lean code long term fuel trim 30 short term is around -3 to plus 7. 02 sensors up stream bank 1 sensor 1 reading around 0.12 to 0.79 bank 1 sensor 2 readings .12 to .71 i have replaced fuel injectors.map sensor, pcm,02 sensors checked ... |
May 16, 2016 | |
| 2006 Chevrolet Impala SS 5.3L Misfire, MIL Lamp on VIN: 2G1WD58C96 P0171: Fuel System Lean. ... (actual vs expected) p0171 lean bank one p0420 cat efficiency p3449 Cylinder 7 displacement on demand deactivation solenoid control circuit. the 1101 resets pretty quickly (first in pending then again as a hard code, from ... |
May 18, 2016 | |
| 2001 Toyota Tundra Limited 4.7L MIL Lamp on VIN: 5TBRT38101 P0171: Fuel System Too Lean (Bank 1). Hi guys; This truck is driving me crazy. The fuel trims are running high as soon as the engine is warm ( short term 9.2 and 9.8 long term 31.2 and 29.6) and setting lean codes almost instantly. The repair history shows what I've tried with no success.The freez... |
May 19, 2016 | |
| 2001 Toyota Tundra Limited 4.7L MIL Lamp on VIN: 5TBRT38101 P0171: Fuel System Too Lean (Bank 1). Hi guys; This truck is driving me crazy. The fuel trims are running high as soon as the engine is warm ( short term 9.2 and 9.8 long term 31.2 and 29.6) and setting lean codes almost instantly. The repair history shows what I've tried with no success.The freez... |
May 23, 2016 | |
| 2005 Ford F-150 FX4 5.4L MIL Lamp on VIN: 1FTPX14535 P0171: system lean B1. hello everyone: I have this 2005 F150 failed emission with system to lean bank1 and bank2.Fuel rail pressure 40.54 psi. long term trim bank 1 and 2 is 29%. O2 sensors both respond to enrichment and get to 800 mv. Smoked intake and i did not see any leaks visua... |
May 24, 2016 |
