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P0174 Diagnostic Trouble Code Discussion for August 2014

Fuel System Lean (Bank 2)


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Trouble Ticket Help Requests for DTC P0174
Help Request Posted
2000 Chevrolet Express 1500 5.7L Hesitation, MIL Lamp on VIN: 1GBFG15R8Y
P0174: Fuel Trim System Lean (Bank 2). When first started cold...will pop and sputter. Took on road test with fuel pressure gauge hooked up at full throttle will pop and back fire thru intake...fuel pressure will go to 61 psi and stay there until throttle released, then it will jump down to 52psi. ...
August 04, 2014
2000 Chevrolet Express 1500 5.7L Hesitation, MIL Lamp on VIN: 1GBFG15R8Y
P0174: Fuel Trim System Lean (Bank 2). When first started cold...will pop and sputter. Took on road test with fuel pressure gauge hooked up at full throttle will pop and back fire thru intake...fuel pressure will go to 61 psi and stay there until throttle released, then it will jump down to 52psi. ...
August 05, 2014
2004 Lincoln Navigator 5.4L MIL Lamp on VIN: 5LMFU28R34
P0174: Lean bank 2. ... & p0174. I found it only had 20 pounds fuel pressure with no rise vacuum unplugged.Replaced pump, pressure regulator and upper and lower intake gaskets.Now has p0174 with close to 10-12% fuel trims on bank 2 and under throttle the dash vents go away wi...
August 06, 2014
2005 Ford Taurus SE 3.0L MIL Lamp on VIN: 1FAFP53235
P0174: System Rich. The vehicle is comanding 55 to 60 psi of Fuel Pressure at idle (normal should be between 28 to 35 psi) while the Long Term Fuel Trims are -25% on both banks (at idle and steady cruise). The Mass Air Flow Sensor, Oxygen Sensors and Temp Sensors have all been te...
August 08, 2014