P0174 Diagnostic Trouble Code Discussion for April 2018
Fuel System Lean (Bank 2)
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| Help Request | Posted | |
| 1998 Ford Expedition Eddie Bauer 4.6L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Misfire, MIL Lamp on VIN: 1FMRU18W2W P0174: system lean bank 2. Vehicle received running poorly with multiple codes. Scanner showed no activity on the two front sensors and would stay in open loop. Sprayed carb cleaner into vacuum line and vehicle performed much better, front oxygen sensors began switching and went int... |
April 13, 2018 | |
| 2008 Lexus IS250 2.5L MIL Lamp on VIN: JTHBK26228 P0174: system too lean b2. ... me nuts keeps setting a b1 too lean p0171 and b2 too lean p0174 the customer replaced the maf sensor with an autozone one but when that didnt fix it he brought it to us here is what the scan data tells me @ 691(idle in drive) 16% throttle fule pressure... |
April 13, 2018 | |
| 2003 Toyota Avalon XL 3.0L Poor Idle Quality, MIL Lamp on VIN: 4T1BF28B63 P0174: Fuel System Too Lean (Bank 2). Vehicle came to us running very rough with misfires on all bank 2 cylinders. We pressure tested the bank 2 converter and confirmed the converter wasn't plugged. We cleaned the maf and installed a upstream air fuel sensor on bank 2 with no change to the fuel tr... |
April 13, 2018 | |
| 1998 Ford Expedition Eddie Bauer 4.6L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Misfire, MIL Lamp on VIN: 1FMRU18W2W P0174: system lean bank 2. ... multiple codes. Scanner showed no activity on the two front sensors and would stay in open loop. Sprayed carb cleaner into vacuum line and vehicle performed much better, front oxygen sensors began switching and went into closed loop. I'm assuming a va... |
April 14, 2018 | |
| 2009 Kia Sportage LX 2.7L MIL Lamp on VIN: KNDJE72379 P0174: Fuel system lean bank 2. Got this kia kicking my ass. Came in with a dead mass air flow sensor. Found no single on sensor,pulled it and found broken hot wire. Installed New (after market) sensor checked sensor single after install all nice and clean reading right where my scope sa... |
April 27, 2018 | |
| 2006 Chrysler 300 C 5.7L o2 feedback lean VIN: 2C3LA63H46 P0174: Fuel System Lean (Bank 2). Does anyone have a charger/magnum/300c they can test a few electrical reading for me? I am looking for a known good control test. Following manufacturer flow and pin out chart I get result of pcm failure, however before pulling trigger I would like a kn... |
April 30, 2018 |
