P0174 Diagnostic Trouble Code Discussion for April 2006
Fuel System Lean (Bank 2)
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| Help Request | Posted | |
| 2001 Nissan Sentra GXE 1.8L Poor Idle Quality, MIL Lamp on VIN: 3N1CB51D71 P0174: Fuel Trim Lean (Bank 2). Customer failed emissions because of service engine light.Cuctomer changed O2 sensors both banks.Customer changed fuel pump & spark plugs.Now O2s both show very lean..02 volts.Enrich with with propane they go .850 to.900 volts. Mass airflow voltage tests.9... |
April 03, 2006 | |
| 2001 GMC Sierra 1500 SL 4.8L MIL Lamp on VIN: 1GTEC14V81 P0174: Fuel Trim System Lean (Bank 2). vehicle came in with mil light on. found po171 and po174 codes. changed fuel filter and pressure tested system. fuel filter plugged. checked for vacume leaks, non found. local dealer informed us on intake gasket leak. replaced gasket and still have same 2 code... |
April 04, 2006 | |
| 2001 Mazda MPV DX 2.5L MIL Lamp on VIN: JM3LW28G11 P0174: Adaptive Fuel Trim Too Lean (Bank 2). ... light. Codes P0171 and P0174 are stored in memory (bank 1 system lean, and bank 2 system lean). We have replaced the intake plenum gaskets per Mazda service bulletin for these codes (we used Fel-pro gaskets rather than g... |
April 05, 2006 | |
| 1996 Lincoln Continental Anniversary 4.6L MIL Lamp on VIN: 1LNCLM97V5 P0174: system lean bank 2. hello ford friends, this vehicle is showing lean fuel condition. LT. fuel trim is 23% bank 1 24% bank 2. checked for vacuum leaks, pcv hoses, air boot intake etc. no troubles found, engine runs very good, no rough idle, no pinging, no hesitation on accel etc. ... |
April 18, 2006 | |
| 2001 Ford Explorer XLS 4.0L Poor Idle Quality, Misfire, MIL Lamp on, when cold VIN: 1FMZU72E01 P0174: system lean bank two. ... problem three times now. In March of 05 it came to me as an overheat problem. The t-stat had broken and caused the vehical to blow the coolent out of the resivour. I replaced the stat filled it and all was well until December of 05. The owner came and requ... |
April 19, 2006 | |
| 2001 Ford Explorer XLS 4.0L Poor Idle Quality, Misfire, MIL Lamp on, when cold VIN: 1FMZU72E01 P0174: system lean bank two. ... problem three times now. In March of 05 it came to me as an overheat problem. The t-stat had broken and caused the vehical to blow the coolent out of the resivour. I replaced the stat filled it and all was well until December of 05. The owner came and requ... |
April 21, 2006 | |
| 2004 Ford F-150 FX4 5.4L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: 1FTPW14554 P0174: lean bank 2. Customer complains of truck losing power, surging, ses lite, and with pedal to the floor will not accelerate. had to limp it back to town. We just did a full tune up and injector clean, fuel filter etc, on this truck last week. i took this truck out for an hou... |
April 24, 2006 | |
| 2001 Ford Expedition Eddie Bauer 5.4L MIL Lamp on VIN: 1FMPU18L51 P0174: testing and results. ... headache. Vehicle sets both codes po171 and p0174 within 3-4 days of being cleared. I have already replaced maf and pcv valve and hose service kit. Maf was reading low and pcv hose was leaking. I have disconnected batt for ove... |
April 28, 2006 |
