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P0174 Diagnostic Trouble Code Discussion for July 2009

Fuel System Lean (Bank 2)


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Trouble Ticket Help Requests for DTC P0174
Help Request Posted
2001 Ford Windstar SE Sport 3.8L Poor Idle Quality VIN: 2FMZA57411
P0174: testing and results. ... the highway and all of a sudden fell on its face no power/ would idle but no throttle response towed to shop pulled codes p0171/p0174 lean both banks replaced upper and lower intake gaskets no change put reman maf in no change put new coil pack in same,put...
July 02, 2009
1998 Chevrolet Blazer 4.3L MIL Lamp on VIN: 1GNCS13W2W
P0174: Fuel System Lean (Bank 2). replaced leaking fuel pressure regulator for hard to start problem and fixed that . next day set system too lean codes . cleared pcm of codes and unhooked battery for 5 min. to see if computor just need to adapt to repair. no help. tried mass air flow no help....
July 03, 2009
2004 Ford E-350 Super Duty 5.4L Hesitation, Misfire VIN: 1FDWE35L54
... missing, pinging, and had a lack of power. Retrieved codes, p0305, p0306, p0307, p0308, and a p0191 (fuel rail pressure sensor circuit open/short)and a p0174 (bank 2 lean). smoke tested and used...
July 03, 2009
1998 Chevrolet Blazer 4.3L MIL Lamp on VIN: 1GNCS13W2W
P0174: Fuel System Lean (Bank 2). replaced leaking fuel pressure regulator for hard to start problem and fixed that . next day set system too lean codes . cleared pcm of codes and unhooked battery for 5 min. to see if computor just need to adapt to repair. no help. tried mass air flow no help....
July 18, 2009
2001 Volkswagen Passat GLX 4 Motion 2.8L MIL Lamp on VIN: WVWTH63B41
P0174: system to lean b2. Hello all, having trouble with lean codes setting not making sense. Have +25% fuel trim values short term trim yet long term trim never changes from opposite -20%. If short term is increasing fuel why isn't it affecting this passat long term trim pulling value...
July 20, 2009
2001 Ford E-150 Econoline 4.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTRE14211
P0174: bank 2 lean. This was in for a miss, we did the standard tune as all the ignition parts were original. It has a bad miss at idle that gets a little better when accelerated but not much. I pulled the upper intake and checked it, it didnt look terible but did have some build...
July 23, 2009
2001 Ford Windstar SE Sport 3.8L Poor Idle Quality VIN: 2FMZA57411
P0174: testing and results. ... the highway and all of a sudden fell on its face no power/ would idle but no throttle response towed to shop pulled codes p0171/p0174 lean both banks replaced upper and lower intake gaskets no change put reman maf in no change put new coil pack in same,put...
July 02, 2009
1998 Chevrolet Blazer 4.3L MIL Lamp on VIN: 1GNCS13W2W
P0174: Fuel System Lean (Bank 2). replaced leaking fuel pressure regulator for hard to start problem and fixed that . next day set system too lean codes . cleared pcm of codes and unhooked battery for 5 min. to see if computor just need to adapt to repair. no help. tried mass air flow no help....
July 03, 2009
2004 Ford E-350 Super Duty 5.4L Hesitation, Misfire VIN: 1FDWE35L54
... missing, pinging, and had a lack of power. Retrieved codes, p0305, p0306, p0307, p0308, and a p0191 (fuel rail pressure sensor circuit open/short)and a p0174 (bank 2 lean). smoke tested and used...
July 03, 2009
1998 Chevrolet Blazer 4.3L MIL Lamp on VIN: 1GNCS13W2W
P0174: Fuel System Lean (Bank 2). replaced leaking fuel pressure regulator for hard to start problem and fixed that . next day set system too lean codes . cleared pcm of codes and unhooked battery for 5 min. to see if computor just need to adapt to repair. no help. tried mass air flow no help....
July 18, 2009
2001 Volkswagen Passat GLX 4 Motion 2.8L MIL Lamp on VIN: WVWTH63B41
P0174: system to lean b2. Hello all, having trouble with lean codes setting not making sense. Have +25% fuel trim values short term trim yet long term trim never changes from opposite -20%. If short term is increasing fuel why isn't it affecting this passat long term trim pulling value...
July 20, 2009
2001 Ford E-150 Econoline 4.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTRE14211
P0174: bank 2 lean. This was in for a miss, we did the standard tune as all the ignition parts were original. It has a bad miss at idle that gets a little better when accelerated but not much. I pulled the upper intake and checked it, it didnt look terible but did have some build...
July 23, 2009