P0174 Diagnostic Trouble Code Discussion for May 2017
Fuel System Lean (Bank 2)
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| Help Request | Posted | |
| 2005 Ford Five Hundred Limited 3.0L MIL Lamp on VIN: 1FAHP28155 P0174: Lean Bank two. Checked over previous work, inspected for any vacuum lines left disconnected. Also sprayed entire intake area to look for vacuum leak. Found no change in RPM or O2 sensor readings. Check fuel rail pressure and found normal at idle, using IDS found pump running... |
May 02, 2017 | |
| 1999 Chevrolet K1500 Suburban 5.7L MIL Lamp on VIN: 3GNFK16R2X P0174: Fuel Trim System Lean (Bank 2). light on p0171, p0174 adding 25 % both banks at idle. adding 18% both banks at cruise. 60 psi fuel pressure. new mass air flow. smoke test found no vac leaks. if i add carb cleanner o2s respond and fuel trims drop. cleaned fuel injectors with top engine cleane... |
May 08, 2017 | |
| 1999 Ford Expedition Eddie Bauer 5.4L MIL Lamp on VIN: 1FMPU18L3X P0174: fuel system too lean B2. This is kicking my butt. Vehicle came in with both banks lean and #3 misfire codes. Forgive me but I forgot to print my fuel trims at the time, but they were in the teens. Found the engine oil cap missing. So I installed one and fuel trims got a lot better. Bu... |
May 24, 2017 |
