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P0174 Diagnostic Trouble Code Discussion for January 2008

Fuel System Lean (Bank 2)


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Trouble Ticket Help Requests for DTC P0174
Help Request Posted
2002 Toyota Highlander 3.0L Hesitation, Misfire, MIL Lamp on VIN: JTEHF21A82
P0174: Fuel System Too Lean (Bank 2). Hi Guys Banging my head here. This thing runs real bad for my customer most of the time. She says it lacks power and runs rough. Feels like it will quit but never does. Four times she has brought it in and it always runs great for me. Today I drove it for 2 h...
January 03, 2008
2000 Jaguar S-Type 3.0L Poor Idle Quality, MIL Lamp on VIN: SAJDA01C0Y
P0174: fuel system bank 2. P0174 .Fuel trim is at 45- 50 % both banks, ONLY at idle. Fuel pressure is 32 psi at idle 40 psi at cruise.Is that correct? I cannot find specs for fuel pressure. Smoke check reveals nothing. Propane reveals no leaks either. New MAF didn't change anything. Car...
January 11, 2008
2000 BMW 323i 2.5L MIL Lamp on VIN: WBAAM3344Y
P0174: bank2 too lean. i cant find any info on p1250 .
January 12, 2008
2000 Jaguar S-Type 3.0L Poor Idle Quality, MIL Lamp on VIN: SAJDA01C0Y
P0174: fuel system bank 2. P0174 .Fuel trim is at 45- 50 % both banks, ONLY at idle. Fuel pressure is 32 psi at idle 40 psi at cruise.Is that correct? I cannot find specs for fuel pressure. Smoke check reveals nothing. Propane reveals no leaks either. New MAF didn't change anything. Car...
January 15, 2008
2002 Saturn Vue 3.0L Hesitation, Surge, MIL Lamp on VIN: 5GZCZ63B02
P0174: Fuel Trim System Lean (Bank 2). hi guys, i need help with this car, i checked any thing i could and do n't know what to do next except sanding it to dealer. please let me know if any body knows or have experance this problem on this car. thanks fred
January 15, 2008
2005 Volkswagen Touareg 3.2L Cuts out, Stall VIN: WVGBG77L95
P0174: Lean Term Fuel Trim Lean Bank 2. ... the vehicle did not crank and did not start over the weekend. On Monday however, he was able to crank, start, and drive the vehicle to our shop. On his way, the MIL came on. Our initial findings of the codes were P0171, P0174. Tested the fuel pressure and...
January 16, 2008
2005 Volkswagen Touareg 3.2L Cuts out, Stall VIN: WVGBG77L95
P0174: Lean Term Fuel Trim Lean Bank 2. ... the vehicle did not crank and did not start over the weekend. On Monday however, he was able to crank, start, and drive the vehicle to our shop. On his way, the MIL came on. Our initial findings of the codes were P0171, P0174. Tested the fuel pressure and...
January 17, 2008
1998 Ford F-150 Lariat 4.6L Excessive Emissions, Poor Idle Quality, Cuts out, Stall VIN: 1FTZX18W8W
P0174: Lean bank 2. Vehicle came in for a stall and excessive crank problem. When it did start there was a lot of fuel vapor coming out from the tailpipe. Our tech went ahead and replaced the Maf sensor, drove it and released it to the customer. Customer tried driving it and retu...
January 21, 2008
2005 Ford Ranger Edge 3.0L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1FTYR10U05
P0174: system too lean bank 2. fords... help please. this truck seems to be running lean by codes and also the way it runs. we can add fuel and it clears up immediately. vacuum looks very steady regardless of where it is and goes down with acceleration. injector pulse width by scanner readi...
January 21, 2008
2000 Ford Windstar LX 3.8L MIL Lamp on VIN: 2FMZA5144Y
P0174: bank 2 lean. mil light on ,codes po171,po174.[bank 1 and 2 lean] fuel press ok fuel/air filters ok . no apparent vac leaks. sparkplugs etc ok. clear codes and road test ok .. usually comes on after a couple of days driving. all checks out good at this time .. any common in...
January 22, 2008
2002 Ford Ranger XL 2.3L MIL Lamp on, IMSC (IMRC) Noise VIN: 1FTYR10DX3
P0174: Rich Bank 1. We have a Ranger that anytime (By PCM or with vaccum pump) vaccum is applied to IMSC (IMRC) actuator we get a rattle type noise in the intake. Also getting a rich code. We figure if we fix the noise the code will also be taken care of. We have removed the inta...
January 22, 2008
2001 BMW 525i 2.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: WBADT4349I
P0174: system lean bank 2. ... p0171, p0174, lean system bank 1 and 2, p1343,p1345,misfire cyl#1 and cyl#2 fuel cut off, after a smoke test, I replaced crank case oil seperater vent valve with 4 connecting pipes. was running perfect 20 minutes later c...
January 25, 2008
2000 Ford F-150 Lariat 5.4L Poor Idle Quality, MIL Lamp on VIN: 1FTRX18L9Y
P0174: lean bank two. ... has a intermitent problem. It started with a p0171 and a p0174 about three weeks ago. I then cleaned the mass airflow and tb and replaced the air filter. All numbers looked great and vehicle ran great. Now its back with same codes. I test drove truck about...
January 27, 2008
1999 Ford Explorer XL 4.0L MIL Lamp on VIN: 1FMZU34X1X
P0174: sys lean bank 2. Thanks to all who replay.I have a 99 Ford Explorer 4.0L.Came in with po171 and po174 both banks lean.Smoke tested sys.Lower intake gasket was leaking.Replaced lower intake gasket and upper gasket.Road test truck after drive cly.both codes came back.po171 set f...
January 28, 2008
2002 Ford Windstar SEL 3.8L MIL Lamp on VIN: 2FMZA534X2
P0174: lean bank 2. hello techs and thanks in advance; this windstar came in with code 171 and 174 lean bank 1 bank 2,engine ran slightly rough, replaced intake seals top and bottom on plastic upper plenumn cleaned throttle and reset, 2 weeks later customer returned said runs muc...
January 28, 2008
2005 Lincoln Town Car Signature Limited 4.6L excessive fuel trim VIN: 1LNHM82W55
P0174: system too lean bank 2. after clearing codes and perform drive cycle, both banks long term will go to 35% after 25-30 miles driving. after clearing (kam), stft 36.1%. performed smoke machine test, found egr valve diaphram leaking. replaced egr valve retested no leaks. on start up stf...
January 29, 2008
2003 Hyundai XG350 3.5L Cuts out VIN: KMHFU45E13
P0174: Fuel System Too Lean (Bank 2). ... fine until we reach about 3000 rpm. At this point the car falls flat on it,s face and will not pick up speed. It is as if it is running out of gas. We have 45 to 49 psi of fuel pressure which increases by 3 psi when vacuum line is disconnected from regulat...
January 30, 2008
2000 Mazda MPV DX 2.5L No Start, MIL Lamp on VIN: JM3LW28G7Y
P0174: Adaptive Fuel Trim Too Lean (Bank 2). ... would not start. started after ten to fifteen minutes of cranking with fuel pump relay removed and throttle open. codes po420, po134, p1170. po171 & po174 were stored in computer. thanks for your help.
January 31, 2008
2002 Toyota Highlander 3.0L Hesitation, Misfire, MIL Lamp on VIN: JTEHF21A82
P0174: Fuel System Too Lean (Bank 2). Hi Guys Banging my head here. This thing runs real bad for my customer most of the time. She says it lacks power and runs rough. Feels like it will quit but never does. Four times she has brought it in and it always runs great for me. Today I drove it for 2 h...
January 03, 2008
2000 Jaguar S-Type 3.0L Poor Idle Quality, MIL Lamp on VIN: SAJDA01C0Y
P0174: fuel system bank 2. P0174 .Fuel trim is at 45- 50 % both banks, ONLY at idle. Fuel pressure is 32 psi at idle 40 psi at cruise.Is that correct? I cannot find specs for fuel pressure. Smoke check reveals nothing. Propane reveals no leaks either. New MAF didn't change anything. Car...
January 11, 2008
2000 BMW 323i 2.5L MIL Lamp on VIN: WBAAM3344Y
P0174: bank2 too lean. i cant find any info on p1250 .
January 12, 2008
2000 Jaguar S-Type 3.0L Poor Idle Quality, MIL Lamp on VIN: SAJDA01C0Y
P0174: fuel system bank 2. P0174 .Fuel trim is at 45- 50 % both banks, ONLY at idle. Fuel pressure is 32 psi at idle 40 psi at cruise.Is that correct? I cannot find specs for fuel pressure. Smoke check reveals nothing. Propane reveals no leaks either. New MAF didn't change anything. Car...
January 15, 2008
2002 Saturn Vue 3.0L Hesitation, Surge, MIL Lamp on VIN: 5GZCZ63B02
P0174: Fuel Trim System Lean (Bank 2). hi guys, i need help with this car, i checked any thing i could and do n't know what to do next except sanding it to dealer. please let me know if any body knows or have experance this problem on this car. thanks fred
January 15, 2008
2005 Volkswagen Touareg 3.2L Cuts out, Stall VIN: WVGBG77L95
P0174: Lean Term Fuel Trim Lean Bank 2. ... the vehicle did not crank and did not start over the weekend. On Monday however, he was able to crank, start, and drive the vehicle to our shop. On his way, the MIL came on. Our initial findings of the codes were P0171, P0174. Tested the fuel pressure and...
January 16, 2008
2005 Volkswagen Touareg 3.2L Cuts out, Stall VIN: WVGBG77L95
P0174: Lean Term Fuel Trim Lean Bank 2. ... the vehicle did not crank and did not start over the weekend. On Monday however, he was able to crank, start, and drive the vehicle to our shop. On his way, the MIL came on. Our initial findings of the codes were P0171, P0174. Tested the fuel pressure and...
January 17, 2008
1998 Ford F-150 Lariat 4.6L Excessive Emissions, Poor Idle Quality, Cuts out, Stall VIN: 1FTZX18W8W
P0174: Lean bank 2. Vehicle came in for a stall and excessive crank problem. When it did start there was a lot of fuel vapor coming out from the tailpipe. Our tech went ahead and replaced the Maf sensor, drove it and released it to the customer. Customer tried driving it and retu...
January 21, 2008
2005 Ford Ranger Edge 3.0L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1FTYR10U05
P0174: system too lean bank 2. fords... help please. this truck seems to be running lean by codes and also the way it runs. we can add fuel and it clears up immediately. vacuum looks very steady regardless of where it is and goes down with acceleration. injector pulse width by scanner readi...
January 21, 2008
2000 Ford Windstar LX 3.8L MIL Lamp on VIN: 2FMZA5144Y
P0174: bank 2 lean. mil light on ,codes po171,po174.[bank 1 and 2 lean] fuel press ok fuel/air filters ok . no apparent vac leaks. sparkplugs etc ok. clear codes and road test ok .. usually comes on after a couple of days driving. all checks out good at this time .. any common in...
January 22, 2008
2002 Ford Ranger XL 2.3L MIL Lamp on, IMSC (IMRC) Noise VIN: 1FTYR10DX3
P0174: Rich Bank 1. We have a Ranger that anytime (By PCM or with vaccum pump) vaccum is applied to IMSC (IMRC) actuator we get a rattle type noise in the intake. Also getting a rich code. We figure if we fix the noise the code will also be taken care of. We have removed the inta...
January 22, 2008
2001 BMW 525i 2.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: WBADT4349I
P0174: system lean bank 2. ... p0171, p0174, lean system bank 1 and 2, p1343,p1345,misfire cyl#1 and cyl#2 fuel cut off, after a smoke test, I replaced crank case oil seperater vent valve with 4 connecting pipes. was running perfect 20 minutes later c...
January 25, 2008
2000 Ford F-150 Lariat 5.4L Poor Idle Quality, MIL Lamp on VIN: 1FTRX18L9Y
P0174: lean bank two. ... has a intermitent problem. It started with a p0171 and a p0174 about three weeks ago. I then cleaned the mass airflow and tb and replaced the air filter. All numbers looked great and vehicle ran great. Now its back with same codes. I test drove truck about...
January 27, 2008
1999 Ford Explorer XL 4.0L MIL Lamp on VIN: 1FMZU34X1X
P0174: sys lean bank 2. Thanks to all who replay.I have a 99 Ford Explorer 4.0L.Came in with po171 and po174 both banks lean.Smoke tested sys.Lower intake gasket was leaking.Replaced lower intake gasket and upper gasket.Road test truck after drive cly.both codes came back.po171 set f...
January 28, 2008
2002 Ford Windstar SEL 3.8L MIL Lamp on VIN: 2FMZA534X2
P0174: lean bank 2. hello techs and thanks in advance; this windstar came in with code 171 and 174 lean bank 1 bank 2,engine ran slightly rough, replaced intake seals top and bottom on plastic upper plenumn cleaned throttle and reset, 2 weeks later customer returned said runs muc...
January 28, 2008
2005 Lincoln Town Car Signature Limited 4.6L excessive fuel trim VIN: 1LNHM82W55
P0174: system too lean bank 2. after clearing codes and perform drive cycle, both banks long term will go to 35% after 25-30 miles driving. after clearing (kam), stft 36.1%. performed smoke machine test, found egr valve diaphram leaking. replaced egr valve retested no leaks. on start up stf...
January 29, 2008
2003 Hyundai XG350 3.5L Cuts out VIN: KMHFU45E13
P0174: Fuel System Too Lean (Bank 2). ... fine until we reach about 3000 rpm. At this point the car falls flat on it,s face and will not pick up speed. It is as if it is running out of gas. We have 45 to 49 psi of fuel pressure which increases by 3 psi when vacuum line is disconnected from regulat...
January 30, 2008
2000 Mazda MPV DX 2.5L No Start, MIL Lamp on VIN: JM3LW28G7Y
P0174: Adaptive Fuel Trim Too Lean (Bank 2). ... would not start. started after ten to fifteen minutes of cranking with fuel pump relay removed and throttle open. codes po420, po134, p1170. po171 & po174 were stored in computer. thanks for your help.
January 31, 2008