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P0174 Diagnostic Trouble Code Discussion for January 2009

Fuel System Lean (Bank 2)


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Trouble Ticket Help Requests for DTC P0174
Help Request Posted
2006 Jeep Grand Cherokee Laredo 4.7L No Start, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1J8HR48P7C
P0174: Fuel System Lean (Bank 2). Very hard start when cold, then start stall and will not take fuel on acceleration until warm - pops out of intake. Five spark plugs had the ground electrodes melted off and all eight plugs were white from heat. Will start immediately when cold with propane an...
January 02, 2009
1996 Ford Explorer Eddie Bauer 4.0L MIL Lamp on VIN: 1FMDU34X7T
P0174: system too lean bank 2. hello i have this ford with p0171 and p0174 and i know that the mass air flow meter is a possible suspect at least when these code are on toyotas i have seen many times that the meter is a problem. i just need some paramitors and data stream values if anyone k...
January 03, 2009
1996 Cadillac DeVille 4.6L MIL Lamp on VIN: 1G6KD52Y0T
P0174: Fuel Trim System Lean (Bank 2). 96 Deville 4.6 codes P0171/P0174 air flow runs approximately 4 GPS at 650 RPMs long term fuel trim goes to 37% and locks there. Have blocked all vacuum passages, eleminated EGR, verified cam timing,tested compression,tested and substituted fuel,cleaned injecto...
January 05, 2009
2006 Jeep Grand Cherokee Laredo 4.7L No Start, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1J8HR48P7C
P0174: Fuel System Lean (Bank 2). Very hard start when cold, then start stall and will not take fuel on acceleration until warm - pops out of intake. Five spark plugs had the ground electrodes melted off and all eight plugs were white from heat. Will start immediately when cold with propane an...
January 05, 2009
1996 Cadillac DeVille 4.6L MIL Lamp on VIN: 1G6KD52Y0T
P0174: Fuel Trim System Lean (Bank 2). 96 Deville 4.6 codes P0171/P0174 air flow runs approximately 4 GPS at 650 RPMs long term fuel trim goes to 37% and locks there. Have blocked all vacuum passages, eleminated EGR, verified cam timing,tested compression,tested and substituted fuel,cleaned injecto...
January 06, 2009
2000 Ford F-150 Lariat 5.4L Excessive Emissions, Poor Idle Quality, Stall VIN: 1FTRX18L2Y
P0174: lean bank 2. thanks in advance folks. we have had this F150 in a couple of times. customer states that vehicle stalls when cold, at stop signs it idles rough, check engine light on. i did verify these conditions. outside air temp is around 10 degrees. vehicle sat over nigh...
January 07, 2009
1999 Ford E-250 Econoline 4.2L MIL Lamp on VIN: 1FTNE2428X
P0174: system too lean bank 2. hi everyone vehicle came in for check engine light 171, 174 codes in memory. check for leaks none found. has good fuel pressure. cleaned mass air flow sensor. van ran great. vehicle came back 3 days later same codes. replaced maf and on start up it ran rough,...
January 08, 2009
2000 Ford F-150 XL 4.2L MIL Lamp on VIN: 1FTZF1828Y
P0174: lean b2. ... codes it takes 5(five) key cycles to set p0174 code, we found the long term fuel trim to be b1(-8%) & b2(+14%), is there any correlation? no exhaust leaks, new intake manifold (excessive carbon build-up in old intake manifold), performed induction clea...
January 08, 2009
2002 Volvo S80 2.9 2.9L No Start VIN: VV1TS92D82
P0174: System Too Lean Bank 2. Hi all,first let me say this is a post for a friend.He tell me the car was running when it came in (badly)they did basic maintenance,and put the codes.Decided to replace coil pack ,Var.Val.timimg solenoid,and oil trap.Then the car would start and die,washed th...
January 10, 2009
2000 Chevrolet Express 2500 5.7L Cuts out, MIL Lamp on VIN: 1GCGG25R3Y
P0174: Fuel Trim System Lean (Bank 2). This van dropped in this morning and was running perfect in every way except the CEL was on. The men said it would buck and cut out very intermittently. I checked and found the codes listed. The freeze frame data varied very little on the fuel trim from code t...
January 12, 2009
2000 Ford Windstar LX 3.8L MIL Lamp on VIN: 2FMZA5144Y
P0174: Bank two lean. vehicle returns the following week, seems the light only sets when it''s cold out, rechecked my work no intake leaks, no vacuum leaks o2s working well pulse width equal installed a known good mass air flow sensor,light returns again pops on when cold, I took t...
January 12, 2009
2001 Ford F-150 King Ranch 5.4L Poor Idle Quality, Stall, MIL Lamp on VIN: 1FTRW08L71
P0174: lean bank 2. Good mourning guys I have this 01 f150 that is giving me hope for early retirement. Well came in with all of the codes listed. Found LTFT lean and cleaned MAF and reset,LTFT returned to specs.In mod $6 I had a misfire on every cylinder. Next took if for a test...
January 15, 2009
2001 Ford Escape XLT 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FMYU03191
P0174: bank two lean. ... we have a 01 ford escape with a 3.o v6 auto trans.vehicle came in on the hook and smelled like fuel.scantest revealed 6 trouble codes p1151,po171,po174,po302,po304,po306. tech has checked fuel press and filter ,injector pulse ,and spay pattern. all are goo...
January 15, 2009
2001 Ford F-150 XL 4.2L MIL Lamp on VIN: 1FTZF07291
P0174: Lean Bank 2. Replaced upper intake gaskets and isolator bolts.Freeze Frame Data show cold @ 168F. vehicle still runs lean. Bank 1 show to be running leaner than 2.So we swapped injectors. Results the same. Fuel pump at 30 Psi@idle. 35Psi@ accel.KOEO 42psi.Cleaned injectors...
January 17, 2009
2002 GMC Sierra 1500 SL 5.3L Hesitation, Cuts out, MIL Lamp on VIN: 2GTEK19T32
P0174: Fuel Trim System Lean (Bank 2). thank you ahead of time for your help i got a 02 sierra here witha running issue when you step on gas it falls on its face and cant get outa its own way maf has been replaced,all 4 o2s replaced, 02 switch fine untill you give it gas and then truck boggs down e...
January 22, 2009
2004 Ford F-150 FX4 5.4L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1FTPX14514
P0174: . repaired a previous attempt to replace CHT sensor and haness. had code for this CHT. removed intake, replaced gaskets with oe, replace CHT sensor, replaced CHT sensor harness connector. all joints soldered. truck runs great untill you "shower down" on ...
January 27, 2009
2004 Ford F-150 FX4 5.4L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1FTPX14514
P0174: . repaired a previous attempt to replace CHT sensor and haness. had code for this CHT. removed intake, replaced gaskets with oe, replace CHT sensor, replaced CHT sensor harness connector. all joints soldered. truck runs great untill you "shower down" on ...
January 28, 2009
2003 Jaguar XK8 4.2L MIL Lamp on VIN: SAJDA42C73
P0174: lean system Bank 2. ... codes(P0171 and P0174)after customer had it to several other shops. They failed and I am not only trying to gain her confidence but resolve her car troubles as well. The engine is sound, fuel pressure/volume is good and a "New" AMM restored alot of...
January 28, 2009
2000 Chevrolet Express 2500 5.7L Cuts out, MIL Lamp on VIN: 1GCGG25R3Y
P0174: Fuel Trim System Lean (Bank 2). This van dropped in this morning and was running perfect in every way except the CEL was on. The men said it would buck and cut out very intermittently. I checked and found the codes listed. The freeze frame data varied very little on the fuel trim from code t...
January 30, 2009
2006 Jeep Grand Cherokee Laredo 4.7L No Start, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1J8HR48P7C
P0174: Fuel System Lean (Bank 2). Very hard start when cold, then start stall and will not take fuel on acceleration until warm - pops out of intake. Five spark plugs had the ground electrodes melted off and all eight plugs were white from heat. Will start immediately when cold with propane an...
January 02, 2009
1996 Ford Explorer Eddie Bauer 4.0L MIL Lamp on VIN: 1FMDU34X7T
P0174: system too lean bank 2. hello i have this ford with p0171 and p0174 and i know that the mass air flow meter is a possible suspect at least when these code are on toyotas i have seen many times that the meter is a problem. i just need some paramitors and data stream values if anyone k...
January 03, 2009
1996 Cadillac DeVille 4.6L MIL Lamp on VIN: 1G6KD52Y0T
P0174: Fuel Trim System Lean (Bank 2). 96 Deville 4.6 codes P0171/P0174 air flow runs approximately 4 GPS at 650 RPMs long term fuel trim goes to 37% and locks there. Have blocked all vacuum passages, eleminated EGR, verified cam timing,tested compression,tested and substituted fuel,cleaned injecto...
January 05, 2009
2006 Jeep Grand Cherokee Laredo 4.7L No Start, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1J8HR48P7C
P0174: Fuel System Lean (Bank 2). Very hard start when cold, then start stall and will not take fuel on acceleration until warm - pops out of intake. Five spark plugs had the ground electrodes melted off and all eight plugs were white from heat. Will start immediately when cold with propane an...
January 05, 2009
1996 Cadillac DeVille 4.6L MIL Lamp on VIN: 1G6KD52Y0T
P0174: Fuel Trim System Lean (Bank 2). 96 Deville 4.6 codes P0171/P0174 air flow runs approximately 4 GPS at 650 RPMs long term fuel trim goes to 37% and locks there. Have blocked all vacuum passages, eleminated EGR, verified cam timing,tested compression,tested and substituted fuel,cleaned injecto...
January 06, 2009
2000 Ford F-150 Lariat 5.4L Excessive Emissions, Poor Idle Quality, Stall VIN: 1FTRX18L2Y
P0174: lean bank 2. thanks in advance folks. we have had this F150 in a couple of times. customer states that vehicle stalls when cold, at stop signs it idles rough, check engine light on. i did verify these conditions. outside air temp is around 10 degrees. vehicle sat over nigh...
January 07, 2009
1999 Ford E-250 Econoline 4.2L MIL Lamp on VIN: 1FTNE2428X
P0174: system too lean bank 2. hi everyone vehicle came in for check engine light 171, 174 codes in memory. check for leaks none found. has good fuel pressure. cleaned mass air flow sensor. van ran great. vehicle came back 3 days later same codes. replaced maf and on start up it ran rough,...
January 08, 2009
2000 Ford F-150 XL 4.2L MIL Lamp on VIN: 1FTZF1828Y
P0174: lean b2. ... codes it takes 5(five) key cycles to set p0174 code, we found the long term fuel trim to be b1(-8%) & b2(+14%), is there any correlation? no exhaust leaks, new intake manifold (excessive carbon build-up in old intake manifold), performed induction clea...
January 08, 2009
2002 Volvo S80 2.9 2.9L No Start VIN: VV1TS92D82
P0174: System Too Lean Bank 2. Hi all,first let me say this is a post for a friend.He tell me the car was running when it came in (badly)they did basic maintenance,and put the codes.Decided to replace coil pack ,Var.Val.timimg solenoid,and oil trap.Then the car would start and die,washed th...
January 10, 2009
2000 Chevrolet Express 2500 5.7L Cuts out, MIL Lamp on VIN: 1GCGG25R3Y
P0174: Fuel Trim System Lean (Bank 2). This van dropped in this morning and was running perfect in every way except the CEL was on. The men said it would buck and cut out very intermittently. I checked and found the codes listed. The freeze frame data varied very little on the fuel trim from code t...
January 12, 2009
2000 Ford Windstar LX 3.8L MIL Lamp on VIN: 2FMZA5144Y
P0174: Bank two lean. vehicle returns the following week, seems the light only sets when it''s cold out, rechecked my work no intake leaks, no vacuum leaks o2s working well pulse width equal installed a known good mass air flow sensor,light returns again pops on when cold, I took t...
January 12, 2009
2001 Ford F-150 King Ranch 5.4L Poor Idle Quality, Stall, MIL Lamp on VIN: 1FTRW08L71
P0174: lean bank 2. Good mourning guys I have this 01 f150 that is giving me hope for early retirement. Well came in with all of the codes listed. Found LTFT lean and cleaned MAF and reset,LTFT returned to specs.In mod $6 I had a misfire on every cylinder. Next took if for a test...
January 15, 2009
2001 Ford Escape XLT 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FMYU03191
P0174: bank two lean. ... we have a 01 ford escape with a 3.o v6 auto trans.vehicle came in on the hook and smelled like fuel.scantest revealed 6 trouble codes p1151,po171,po174,po302,po304,po306. tech has checked fuel press and filter ,injector pulse ,and spay pattern. all are goo...
January 15, 2009
2001 Ford F-150 XL 4.2L MIL Lamp on VIN: 1FTZF07291
P0174: Lean Bank 2. Replaced upper intake gaskets and isolator bolts.Freeze Frame Data show cold @ 168F. vehicle still runs lean. Bank 1 show to be running leaner than 2.So we swapped injectors. Results the same. Fuel pump at 30 Psi@idle. 35Psi@ accel.KOEO 42psi.Cleaned injectors...
January 17, 2009
2002 GMC Sierra 1500 SL 5.3L Hesitation, Cuts out, MIL Lamp on VIN: 2GTEK19T32
P0174: Fuel Trim System Lean (Bank 2). thank you ahead of time for your help i got a 02 sierra here witha running issue when you step on gas it falls on its face and cant get outa its own way maf has been replaced,all 4 o2s replaced, 02 switch fine untill you give it gas and then truck boggs down e...
January 22, 2009
2004 Ford F-150 FX4 5.4L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1FTPX14514
P0174: . repaired a previous attempt to replace CHT sensor and haness. had code for this CHT. removed intake, replaced gaskets with oe, replace CHT sensor, replaced CHT sensor harness connector. all joints soldered. truck runs great untill you "shower down" on ...
January 27, 2009
2004 Ford F-150 FX4 5.4L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1FTPX14514
P0174: . repaired a previous attempt to replace CHT sensor and haness. had code for this CHT. removed intake, replaced gaskets with oe, replace CHT sensor, replaced CHT sensor harness connector. all joints soldered. truck runs great untill you "shower down" on ...
January 28, 2009
2003 Jaguar XK8 4.2L MIL Lamp on VIN: SAJDA42C73
P0174: lean system Bank 2. ... codes(P0171 and P0174)after customer had it to several other shops. They failed and I am not only trying to gain her confidence but resolve her car troubles as well. The engine is sound, fuel pressure/volume is good and a "New" AMM restored alot of...
January 28, 2009
2000 Chevrolet Express 2500 5.7L Cuts out, MIL Lamp on VIN: 1GCGG25R3Y
P0174: Fuel Trim System Lean (Bank 2). This van dropped in this morning and was running perfect in every way except the CEL was on. The men said it would buck and cut out very intermittently. I checked and found the codes listed. The freeze frame data varied very little on the fuel trim from code t...
January 30, 2009