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P0174 Diagnostic Trouble Code Discussion for March 2009

Fuel System Lean (Bank 2)


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Trouble Ticket Help Requests for DTC P0174
Help Request Posted
1998 Volvo S70 2.3L Excessive Emissions, MIL Lamp on VIN: UV1LS5677W
P0174: rich condition bank 1. vehicle came in with a bank 1 running rich code after doing above work vehicle still rich.we have the ph2 drivecycle program which instantly tells air fuel status,pulling out my hair,is turbo boost adjustable ? no information available on rich conditions on tu...
March 03, 2009
2004 GMC Sierra 1500 SLE 4.3L MIL Lamp on VIN: 1GTEC14X04
P0174: Fuel Trim System Lean (Bank 2). car was towed in for a no start engine was flooded with fuel replaced plugs and truck started up ran a little rough so we replaced cap and rotor wires and was running ok after running for 15 min. check engine light came on checked codes po171 there were no cod...
March 04, 2009
2001 Lexus RX300 3.0L MIL Lamp on VIN: JTJGF10U21
P0174: Lean Bank 2. ... while highway driving. P0171 and P0174. All checks ok now including + 5-10% fuel trims at 70 MPH. Both occasions, IAT was cold: 0 degrees F and 16 degrees F. There are no drivability concerns.
March 09, 2009
1996 Ford Taurus LX 3.0L MIL Lamp on VIN: 1FALP53S3T
P0174: system too lean bank 2. ... engine light on and 2 codes (P0171 & P0174) fuel trims Long Term were about 16% & 18%. Hooked up smoke machine and found 2 leaks, (one out of EGR gasket & other coming out of hose going to EVAP.) Fixed both of them and trim dropped down to abou...
March 12, 2009
2003 Ford Windstar LX 3.8L MIL Lamp on VIN: 2FMZA50433
P0174: lean condition on bank 2. ... vital help in this one. It is a Ford windstar that keeps setting c.e. light with lean codes: p0171 and p0174= lean condition on both banks. We have done whatever necessary to pintpoint the source or cause of lean codes; but witout success. We have checked ...
March 13, 2009
2002 Chevrolet Camaro 3.8L MIL Lamp on VIN: 2G1FP22K92
P0174: Fuel Trim System Lean (Bank 2). stB1-(+2%) ltB1-(+20%) stB2-(+5%) ltB2-(+20%) Couldn't locate any external vacuum leaks. There is a TSB on that condition about clogged injectors.
March 14, 2009
2000 Ford Windstar SE 3.8L Misfire, MIL Lamp on, PO174 VIN: 2FMZA524XY
P0174: Lean bank 2. Car came in with a Bank 2 lean and low egr flow. Opened the hood and the first thing I noticed was that the upper intake would swell up like a ballon when I did a snap throttle. As per TSB, I replaced the upper intake (both halves as it came out in 3 pieces) a...
March 14, 2009
1999 Ford Contour SE 2.5L MIL Lamp on VIN: 1FAFP66L6X
P0174: . Does anyone know if I can obtain the seals where the intake manifold runner control shaft goes into the lower intake manifold. I have a vacuum leak at these seals and the dealer says I have to buy the complete lower intake manifold assy. This is the shaft , on...
March 18, 2009
2002 Mitsubishi Montero Limited 3.5L MIL Lamp on VIN: JA4MW51R52
P0174: Fuel System Lean (Bank 2). ... help. This is a 2002 Mitsubishi Montero 3.5 with a P0174 code. Customer is new to us, so no repair history, except records we were able to copy. Timing belt and spark plugs were replaced 25,000 miles ago. Six months after that, the check engine light start...
March 26, 2009
1998 Volvo S70 2.3L Excessive Emissions, MIL Lamp on VIN: UV1LS5677W
P0174: rich condition bank 1. vehicle came in with a bank 1 running rich code after doing above work vehicle still rich.we have the ph2 drivecycle program which instantly tells air fuel status,pulling out my hair,is turbo boost adjustable ? no information available on rich conditions on tu...
March 03, 2009
2004 GMC Sierra 1500 SLE 4.3L MIL Lamp on VIN: 1GTEC14X04
P0174: Fuel Trim System Lean (Bank 2). car was towed in for a no start engine was flooded with fuel replaced plugs and truck started up ran a little rough so we replaced cap and rotor wires and was running ok after running for 15 min. check engine light came on checked codes po171 there were no cod...
March 04, 2009
2001 Lexus RX300 3.0L MIL Lamp on VIN: JTJGF10U21
P0174: Lean Bank 2. ... while highway driving. P0171 and P0174. All checks ok now including + 5-10% fuel trims at 70 MPH. Both occasions, IAT was cold: 0 degrees F and 16 degrees F. There are no drivability concerns.
March 09, 2009
1996 Ford Taurus LX 3.0L MIL Lamp on VIN: 1FALP53S3T
P0174: system too lean bank 2. ... engine light on and 2 codes (P0171 & P0174) fuel trims Long Term were about 16% & 18%. Hooked up smoke machine and found 2 leaks, (one out of EGR gasket & other coming out of hose going to EVAP.) Fixed both of them and trim dropped down to abou...
March 12, 2009
2003 Ford Windstar LX 3.8L MIL Lamp on VIN: 2FMZA50433
P0174: lean condition on bank 2. ... vital help in this one. It is a Ford windstar that keeps setting c.e. light with lean codes: p0171 and p0174= lean condition on both banks. We have done whatever necessary to pintpoint the source or cause of lean codes; but witout success. We have checked ...
March 13, 2009
2002 Chevrolet Camaro 3.8L MIL Lamp on VIN: 2G1FP22K92
P0174: Fuel Trim System Lean (Bank 2). stB1-(+2%) ltB1-(+20%) stB2-(+5%) ltB2-(+20%) Couldn't locate any external vacuum leaks. There is a TSB on that condition about clogged injectors.
March 14, 2009
2000 Ford Windstar SE 3.8L Misfire, MIL Lamp on, PO174 VIN: 2FMZA524XY
P0174: Lean bank 2. Car came in with a Bank 2 lean and low egr flow. Opened the hood and the first thing I noticed was that the upper intake would swell up like a ballon when I did a snap throttle. As per TSB, I replaced the upper intake (both halves as it came out in 3 pieces) a...
March 14, 2009
1999 Ford Contour SE 2.5L MIL Lamp on VIN: 1FAFP66L6X
P0174: . Does anyone know if I can obtain the seals where the intake manifold runner control shaft goes into the lower intake manifold. I have a vacuum leak at these seals and the dealer says I have to buy the complete lower intake manifold assy. This is the shaft , on...
March 18, 2009
2002 Mitsubishi Montero Limited 3.5L MIL Lamp on VIN: JA4MW51R52
P0174: Fuel System Lean (Bank 2). ... help. This is a 2002 Mitsubishi Montero 3.5 with a P0174 code. Customer is new to us, so no repair history, except records we were able to copy. Timing belt and spark plugs were replaced 25,000 miles ago. Six months after that, the check engine light start...
March 26, 2009