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P0174 Diagnostic Trouble Code Discussion for December 2007

Fuel System Lean (Bank 2)


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Trouble Ticket Help Requests for DTC P0174
Help Request Posted
2001 Nissan Sentra GXE 1.8L MIL Lamp on VIN: 3N1CB51D31
P0174: Fuel Trim Lean (Bank 2). This car set the codes at 58 mph. Checked for vacuum leaks, none found. Suspected mass air flow sensor, when checking the mass air flow we found it to be dirty. Cleaned mass air flow wire with brakeclean, reinstalled and now sets code P0100, mass air flow circ...
December 11, 2007
2002 Ford Windstar 3.8L MIL Lamp on VIN: 2FMZA55472
P0174: lean bank 2. these codes can be cleared & mil light stays off for weeks at a time & then no apparent reason comes back / customer has not noticed driveabilty issues or poor fuel mileage. thanks for any info.
December 13, 2007
2001 Mercury Sable LS Premium 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1MEFM55S41
P0174: lean bank two. hello-trying to figure out this sable-it runs rough-compression on all cylinders are at 155 or higher -check engine lite is flashing-we have installed wires and plugs-but my main question is do these intake manifolds or plenum assy have problems leaking to cre...
December 15, 2007
2003 Chevrolet Suburban 1500 LT 5.3L MIL Lamp on, Lean Condition VIN: 1GNFK16Z63
P0174: Fuel Trim System Lean (Bank 2). After replacing uel pump and filter, vehicle came back with same codes. LTFT is 11% bank1 and LTFT is 13% bank2. Checked for vacuum and is good (18hg") Truck has no misfire. No TSB's and Did the whole troubleshooting tree according to Mitchell. Everything ...
December 27, 2007
2003 GMC Yukon Denali 6.0L MIL Lamp on VIN: N/A
P0174: Fuel Trim System Lean (Bank 2). After replacing the O2 sensors the cust. said the MIL lamp come on and then goes off when they drove it on the highway. Last time it come into the shop the MIL lamp was on and the code was reading P0171. I have checked for evac leaks leading to the intake.
December 27, 2007
2001 Nissan Sentra GXE 1.8L MIL Lamp on VIN: 3N1CB51D31
P0174: Fuel Trim Lean (Bank 2). This car set the codes at 58 mph. Checked for vacuum leaks, none found. Suspected mass air flow sensor, when checking the mass air flow we found it to be dirty. Cleaned mass air flow wire with brakeclean, reinstalled and now sets code P0100, mass air flow circ...
December 11, 2007
2002 Ford Windstar 3.8L MIL Lamp on VIN: 2FMZA55472
P0174: lean bank 2. these codes can be cleared & mil light stays off for weeks at a time & then no apparent reason comes back / customer has not noticed driveabilty issues or poor fuel mileage. thanks for any info.
December 13, 2007
2001 Mercury Sable LS Premium 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1MEFM55S41
P0174: lean bank two. hello-trying to figure out this sable-it runs rough-compression on all cylinders are at 155 or higher -check engine lite is flashing-we have installed wires and plugs-but my main question is do these intake manifolds or plenum assy have problems leaking to cre...
December 15, 2007
2003 Chevrolet Suburban 1500 LT 5.3L MIL Lamp on, Lean Condition VIN: 1GNFK16Z63
P0174: Fuel Trim System Lean (Bank 2). After replacing uel pump and filter, vehicle came back with same codes. LTFT is 11% bank1 and LTFT is 13% bank2. Checked for vacuum and is good (18hg") Truck has no misfire. No TSB's and Did the whole troubleshooting tree according to Mitchell. Everything ...
December 27, 2007
2003 GMC Yukon Denali 6.0L MIL Lamp on VIN: N/A
P0174: Fuel Trim System Lean (Bank 2). After replacing the O2 sensors the cust. said the MIL lamp come on and then goes off when they drove it on the highway. Last time it come into the shop the MIL lamp was on and the code was reading P0171. I have checked for evac leaks leading to the intake.
December 27, 2007