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P0174 Diagnostic Trouble Code Discussion for November 2015

Fuel System Lean (Bank 2)


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Trouble Ticket Help Requests for DTC P0174
Help Request Posted
2006 Ford Mustang GT 4.6L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 1ZVHT82H36
P0174: bank 2 lean. vehicle has lean codes p0171 & p0174, acts like a vacuum leak but smoke test reveled no leaks, swapped in new Maf sensor no change, blocked off pcv, booster and evap solenoid, no change, you can put the gas pedal all the way to the floor and it just gurgle...
November 03, 2015
2003 Mitsubishi Eclipse GTS 3.0L Poor Idle Quality, Surge, MIL Lamp on VIN: 4A3AC74H73
P0174: Fuel System Lean (Bank 2). Thanks in advance for any help, car seems to run lean at idle. STFT numbers keep switching to 21 then back to 0,LTFT are at 0. O2 sensors show a very lean reading most of the time at idle, even when adding propane. VAF sensor shows 25 htz. At 2500 rpm fuel tri...
November 04, 2015
2005 Ford F-150 FX4 5.4L MIL Lamp on VIN: 1FTPW14575
P0174: bank 2 lean. truck sets lean codes. fuel trims are around 8 to 10 long term at idle and around 15-18 at full throttle. the long term goes to 30 when cruising with throttle at 7 to 10% just past closed throttle. we have tried maf sensor, smoke test, fuel pressure test, and ...
November 06, 2015
2007 Lincoln Town Car Signature 4.6L MIL Lamp on VIN: 1LNHM81W27
P0174: Bank 2 lean. Got this linc when i drive and back off the gas all 02 sensors go to zero and stay there for a while then they start switching again the car runs just like normal only had two lean codes cust brought a used maf sensor and now it has a fuel deliverty error code...
November 16, 2015
2007 Lincoln Town Car Signature 4.6L MIL Lamp on VIN: 1LNHM81W27
P0174: Bank 2 lean. Got this linc when i drive and back off the gas all 02 sensors go to zero and stay there for a while then they start switching again the car runs just like normal only had two lean codes cust brought a used maf sensor and now it has a fuel deliverty error code...
November 20, 2015
2001 Chevrolet Suburban 1500 5.3L Poor Idle Quality, Cuts out VIN: 3GNFK16T11
P0174: Fuel Trim System Lean (Bank 2). Engine will barely run and take no throttle till it goes in closed loop. When it goes in closed loop, STFT are 52% and LTFT are 25% and O2 shows under .200 volt so engine is lean. Injector MS at 7.00, clamp off fuel return, fuel pressure goes up to 80psi and S...
November 24, 2015