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P0174 Diagnostic Trouble Code Discussion for August 2005

Fuel System Lean (Bank 2)


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Trouble Ticket Help Requests for DTC P0174
Help Request Posted
1996 Ford E-350 Econoline 7.5L MIL Lamp on, Loss of Power VIN: 1FDKE30G8T
P0174: Bank 2 Lean AF Ratio. Proformance seems to drop off about 50mph like it is running out of fuel. I am not seeing fuel trim readings in the positive area but at idle acturally minus figures of(- 7-12 %) il light is on with codes above. 30psi seems like low limit.Is there an output te...
August 03, 2005
1995 Ford Windstar GL 3.8L MIL Lamp on VIN: 2FMDA514DS
P0174: lean exhaust bank 2. the vehicle fails state emission testing due to obdii testing for the codes previously stated. during testing i found that in scan data that the computer sees the baro reading to be 22.3 hg. in our area the baro reading flucuates normaly in the 29.1-29.9 range...
August 08, 2005
2003 Ford Taurus LX 3.0L Poor Idle Quality VIN: 1FAFP52V8W
P0174: System lean bank 2. ... that came in with P0171 and P0174 about 1000 miles ago (ran great). STFT was constantly of 25% and LTFT was at 28%. Diagnosed MAF and dirty injectors. Replaced MAF and R&R injectors for cleaning. After repair cleared codes and drove. Did some WOT drivi...
August 10, 2005
1999 Ford Windstar 3.8L Hesitation, Surge, Stall VIN: 2FMDA51UXW
P0174: System lean Bank2. Not sure if this pertains here or not. Ford has a TSB 03-16-1 for this condition. Reprogramming,replacement of the valve cover (LH), removal of the intake (upper), cleaning of the EGR ports,replacement of port gaskets and isolator bolts are what they call for ...
August 11, 2005
2001 Mercedes-Benz ML320 3.2L Raw fuel smell VIN: 4JGAB54E81
P0174: Fuel trim history code. Good morning! This client came in with a complaint of smelling raw fuel which we could not readily duplicate. After filling tank & driving we were able to smell unburned fuel through exhaust. We also checked floor pan, fuel pump seal, and hoses to make sur...
August 11, 2005
2001 Nissan Sentra GXE 1.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3N1CB51D51
P0174: Fuel Trim Lean (Bank 2). ... codes po171 and po174. Idle is rough, it is worse when cold scan data shows it is compensating 110%+ both banks. checked fuel pressure 35+psi, check for vacuum leaks none found. Also is setting code p1320, could this be caused by lean misfire? Tried to cle...
August 11, 2005
1999 Ford E-250 Econoline 5.4L Excessive Emissions, No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1FTNE24L6X
P0174: system lean B 2. Hi freinds I need help bad! This 5.4l will run just fine most of the time but on ocasion it severly laks power & has spark knock. one day of driving the van started running very poorly, blowing black smoke bad, wouldnt pull its self in gear, and some times...
August 14, 2005
1997 Ford F-150 4.6L Poor Idle Quality, Stall, MIL Lamp on VIN: 1A2B3C4D9G
P0174: system lean bank two. ... a nightmare.vehicle came in with cel iluminated and p0171/p0174.also rough run at idle. every one will say clean maf and reset kam right.i did and all was well for about 15 min.short term trims go to +52.3 both banks and ...
August 18, 2005
1998 Chevrolet Astro 4.3L Hesitation, Stall VIN: 1GNDM19W4W
P0174: Fuel Trim System Lean (Bank 2). Vehicle came in with no MIL,new fuel pump and filter and the same symptom as before he had fuel pump and filter replaced. Started out as an intermittent hesitation on acceleration. Fuel pump was making alot of rattling noise at idle. I condemned new fuel pump ...
August 20, 2005
1996 Dodge Intrepid 3.3L MIL Lamp on VIN: 2C3HH46T9T
P0174: Fuel System Lean (Bank 2). HI everyone I have a code P0174, left side of the engine, the spark plug are much darker then the right side and the compression is lower ( see Testing and result ). I change both O2 sensor on the left side, no result, on the scanner that side is alway richer...
August 24, 2005
2002 Land Rover Freelander SE 2.5L check engine light VIN: SALNY22222
P0174: Right rear O2 lean. Thanks in advance for any help.This vehicle came in with the check engine light on and the customer stating that the only problem they had was that the vehicle smelled hot when they shut it off.I cleared the codes and road tested the vehicle for over 30 miles ...
August 25, 2005
1997 Ford F-150 4.6L Poor Idle Quality, Stall, MIL Lamp on VIN: 1A2B3C4D9G
P0174: system lean bank two. ... a nightmare.vehicle came in with cel iluminated and p0171/p0174.also rough run at idle. every one will say clean maf and reset kam right.i did and all was well for about 15 min.short term trims go to +52.3 both banks and ...
August 26, 2005
1996 Ford E-350 Econoline 7.5L MIL Lamp on, Loss of Power VIN: 1FDKE30G8T
P0174: Bank 2 Lean AF Ratio. Proformance seems to drop off about 50mph like it is running out of fuel. I am not seeing fuel trim readings in the positive area but at idle acturally minus figures of(- 7-12 %) il light is on with codes above. 30psi seems like low limit.Is there an output te...
August 03, 2005
1995 Ford Windstar GL 3.8L MIL Lamp on VIN: 2FMDA514DS
P0174: lean exhaust bank 2. the vehicle fails state emission testing due to obdii testing for the codes previously stated. during testing i found that in scan data that the computer sees the baro reading to be 22.3 hg. in our area the baro reading flucuates normaly in the 29.1-29.9 range...
August 08, 2005
2003 Ford Taurus LX 3.0L Poor Idle Quality VIN: 1FAFP52V8W
P0174: System lean bank 2. ... that came in with P0171 and P0174 about 1000 miles ago (ran great). STFT was constantly of 25% and LTFT was at 28%. Diagnosed MAF and dirty injectors. Replaced MAF and R&R injectors for cleaning. After repair cleared codes and drove. Did some WOT drivi...
August 10, 2005
1999 Ford Windstar 3.8L Hesitation, Surge, Stall VIN: 2FMDA51UXW
P0174: System lean Bank2. Not sure if this pertains here or not. Ford has a TSB 03-16-1 for this condition. Reprogramming,replacement of the valve cover (LH), removal of the intake (upper), cleaning of the EGR ports,replacement of port gaskets and isolator bolts are what they call for ...
August 11, 2005
2001 Mercedes-Benz ML320 3.2L Raw fuel smell VIN: 4JGAB54E81
P0174: Fuel trim history code. Good morning! This client came in with a complaint of smelling raw fuel which we could not readily duplicate. After filling tank & driving we were able to smell unburned fuel through exhaust. We also checked floor pan, fuel pump seal, and hoses to make sur...
August 11, 2005
2001 Nissan Sentra GXE 1.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3N1CB51D51
P0174: Fuel Trim Lean (Bank 2). ... codes po171 and po174. Idle is rough, it is worse when cold scan data shows it is compensating 110%+ both banks. checked fuel pressure 35+psi, check for vacuum leaks none found. Also is setting code p1320, could this be caused by lean misfire? Tried to cle...
August 11, 2005
1999 Ford E-250 Econoline 5.4L Excessive Emissions, No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1FTNE24L6X
P0174: system lean B 2. Hi freinds I need help bad! This 5.4l will run just fine most of the time but on ocasion it severly laks power & has spark knock. one day of driving the van started running very poorly, blowing black smoke bad, wouldnt pull its self in gear, and some times...
August 14, 2005
1997 Ford F-150 4.6L Poor Idle Quality, Stall, MIL Lamp on VIN: 1A2B3C4D9G
P0174: system lean bank two. ... a nightmare.vehicle came in with cel iluminated and p0171/p0174.also rough run at idle. every one will say clean maf and reset kam right.i did and all was well for about 15 min.short term trims go to +52.3 both banks and ...
August 18, 2005
1998 Chevrolet Astro 4.3L Hesitation, Stall VIN: 1GNDM19W4W
P0174: Fuel Trim System Lean (Bank 2). Vehicle came in with no MIL,new fuel pump and filter and the same symptom as before he had fuel pump and filter replaced. Started out as an intermittent hesitation on acceleration. Fuel pump was making alot of rattling noise at idle. I condemned new fuel pump ...
August 20, 2005
1996 Dodge Intrepid 3.3L MIL Lamp on VIN: 2C3HH46T9T
P0174: Fuel System Lean (Bank 2). HI everyone I have a code P0174, left side of the engine, the spark plug are much darker then the right side and the compression is lower ( see Testing and result ). I change both O2 sensor on the left side, no result, on the scanner that side is alway richer...
August 24, 2005
2002 Land Rover Freelander SE 2.5L check engine light VIN: SALNY22222
P0174: Right rear O2 lean. Thanks in advance for any help.This vehicle came in with the check engine light on and the customer stating that the only problem they had was that the vehicle smelled hot when they shut it off.I cleared the codes and road tested the vehicle for over 30 miles ...
August 25, 2005
1997 Ford F-150 4.6L Poor Idle Quality, Stall, MIL Lamp on VIN: 1A2B3C4D9G
P0174: system lean bank two. ... a nightmare.vehicle came in with cel iluminated and p0171/p0174.also rough run at idle. every one will say clean maf and reset kam right.i did and all was well for about 15 min.short term trims go to +52.3 both banks and ...
August 26, 2005