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P0174 Diagnostic Trouble Code Discussion for February 2012

Fuel System Lean (Bank 2)


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Trouble Ticket Help Requests for DTC P0174
Help Request Posted
2004 Suzuki Verona LX 2.5L MIL Lamp on, lean condition VIN: KL5VJ52L44
P0174: Fuel System Too Lean (Bank 2). ... i have a 2004 suzuki verona 2.5L. vehicle runs fine but keeps popping codes p0171 and p0174 lean both banks. fuel pressure is at spec, replaced fuel filter, smoked engine and found no leaks but replaced pcv valve anyway. vehicle has a mass air flow sensor ...
February 03, 2012
2005 Ford Expedition XLT 5.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FMPU15505
P0174: lean bank 2. eng has a miss for sure #3, changed coils #3 with #1 still has miss.Fuel pressure in range.Cleaned injectors while there no change will check compression but at Idle cyls 1 thru 4 same bank show minus contribution at idle .cant find a vac leak and when rpms go...
February 06, 2012
2004 Ford F-150 FX4 5.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTPX14534
P0174: System too lean bank 1. ... P0012, P0174, P0300, P0301, P0302, P0303, P0304, P0316, P2196, and a P1000. Tech cleared codes and only the P0301 came back. Fuel trims LT were at 25 bank one and 10 b...
February 10, 2012
2007 BMW 335i 3.0L MIL Lamp on VIN: WBAWB73537
P0174: system lean bank2. car came in with code p0174 lean bank 2. I smoke tested the intake no leaks. the car is not equipped with a mass air sensor. alldata stinks when it comes to info on bmws. Any help appreciatted.
February 13, 2012
2003 Kia Sedona EX 3.5L MIL Lamp on VIN: KNDUP13173
P0174: Fuel System Too Lean (Bank 2). ... P0103, MAF circuit high. Replaced MAF and cleared code. Car came back in a couple days with P0171 and P0174, system lean codes. We suspected the MAF sensor and replaced it again since the lean codes were not there originally. Car came back again with the l...
February 14, 2012
2003 Jaguar S-Type R 4.2L MIL Lamp on
P0174: Lean. ... and throttle body gasket on this supercharged car. It has p0171 and p0174 codes that come back. The car idles nice but the fuel trims keep hoing up, under load the fuel trims are normal, we have replace the maf sensor with one from an xjr but it still does...
February 16, 2012
2003 BMW 330xi 3.0L Surge, MIL Lamp on VIN: WBAEW53433
P0174: B2 Lean. ... on acceleration. Had P0171 and P0174 stored and very high fuel trim values. After clearing adaptations, it runs good. Intake boots are good. Replaced oil separator and related hoses, Variable intake flap, fuel filter and MAF sensor. Oil separator was full ...
February 17, 2012
2008 Land Rover Range Rover HSE 4.4L MIL Lamp on VIN: SALME15478
P0174: lean b2. ... has po171 p0174 replaced mass air flow sensor(oe) smoked test,propane test , disabled egr and plugged the ports and smoked test , clean throtle body and still got these codes coming back fuel presure in specs (70psi) fuel trims on idle about %19 off idle g...
February 17, 2012
2006 Jaguar S-Type VDP Edition 4.2L MIL Lamp on VIN: SAJWA01B76
P0174: leanbank 2. ... are p0171,p0174,p050b, and p2105. i am suspecting a bad mass airlow or a vacum leak causing lean codes. but my main concern is the other 2 codes. i dont have any info on any one of them and i need some direction as to ho...
February 23, 2012
2006 Jaguar S-Type VDP Edition 4.2L MIL Lamp on VIN: SAJWA01B76
P0174: leanbank 2. ... are p0171,p0174,p050b, and p2105. i am suspecting a bad mass airlow or a vacum leak causing lean codes. but my main concern is the other 2 codes. i dont have any info on any one of them and i need some direction as to ho...
February 24, 2012
2002 Nissan Frontier SE 3.3L Misfire VIN: 1N6ED29X62
P0174: Fuel Trim Lean (Bank 2). Vehicle has missfire, code 300 & code 174. I can see on the snap on solus pro when the problem occurs , alpha bank 1 goes to down to 65 & bank 2 goes to 110. I know i can use my needle nose plier when the problem occurs i pinched the fuel return hose &...
February 25, 2012
2003 Saturn L300 3.0L MIL Lamp on VIN: 1G8JW54R43
P0174: Fuel Trim System Lean (Bank 2). ... be able to give. This one came to us a few weeks ago about a tranny comcern. While running the car ont the rack, I noticed it was leaking fuel from the top of the tank. Turns out the return nipple was split. It had a p0174 code then too. Replaced the modul...
February 28, 2012
2004 Suzuki Verona LX 2.5L MIL Lamp on, lean condition VIN: KL5VJ52L44
P0174: Fuel System Too Lean (Bank 2). ... i have a 2004 suzuki verona 2.5L. vehicle runs fine but keeps popping codes p0171 and p0174 lean both banks. fuel pressure is at spec, replaced fuel filter, smoked engine and found no leaks but replaced pcv valve anyway. vehicle has a mass air flow sensor ...
February 03, 2012
2005 Ford Expedition XLT 5.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FMPU15505
P0174: lean bank 2. eng has a miss for sure #3, changed coils #3 with #1 still has miss.Fuel pressure in range.Cleaned injectors while there no change will check compression but at Idle cyls 1 thru 4 same bank show minus contribution at idle .cant find a vac leak and when rpms go...
February 06, 2012
2004 Ford F-150 FX4 5.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTPX14534
P0174: System too lean bank 1. ... P0012, P0174, P0300, P0301, P0302, P0303, P0304, P0316, P2196, and a P1000. Tech cleared codes and only the P0301 came back. Fuel trims LT were at 25 bank one and 10 b...
February 10, 2012
2007 BMW 335i 3.0L MIL Lamp on VIN: WBAWB73537
P0174: system lean bank2. car came in with code p0174 lean bank 2. I smoke tested the intake no leaks. the car is not equipped with a mass air sensor. alldata stinks when it comes to info on bmws. Any help appreciatted.
February 13, 2012
2003 Kia Sedona EX 3.5L MIL Lamp on VIN: KNDUP13173
P0174: Fuel System Too Lean (Bank 2). ... P0103, MAF circuit high. Replaced MAF and cleared code. Car came back in a couple days with P0171 and P0174, system lean codes. We suspected the MAF sensor and replaced it again since the lean codes were not there originally. Car came back again with the l...
February 14, 2012
2003 Jaguar S-Type R 4.2L MIL Lamp on
P0174: Lean. ... and throttle body gasket on this supercharged car. It has p0171 and p0174 codes that come back. The car idles nice but the fuel trims keep hoing up, under load the fuel trims are normal, we have replace the maf sensor with one from an xjr but it still does...
February 16, 2012
2003 BMW 330xi 3.0L Surge, MIL Lamp on VIN: WBAEW53433
P0174: B2 Lean. ... on acceleration. Had P0171 and P0174 stored and very high fuel trim values. After clearing adaptations, it runs good. Intake boots are good. Replaced oil separator and related hoses, Variable intake flap, fuel filter and MAF sensor. Oil separator was full ...
February 17, 2012
2008 Land Rover Range Rover HSE 4.4L MIL Lamp on VIN: SALME15478
P0174: lean b2. ... has po171 p0174 replaced mass air flow sensor(oe) smoked test,propane test , disabled egr and plugged the ports and smoked test , clean throtle body and still got these codes coming back fuel presure in specs (70psi) fuel trims on idle about %19 off idle g...
February 17, 2012
2006 Jaguar S-Type VDP Edition 4.2L MIL Lamp on VIN: SAJWA01B76
P0174: leanbank 2. ... are p0171,p0174,p050b, and p2105. i am suspecting a bad mass airlow or a vacum leak causing lean codes. but my main concern is the other 2 codes. i dont have any info on any one of them and i need some direction as to ho...
February 23, 2012
2006 Jaguar S-Type VDP Edition 4.2L MIL Lamp on VIN: SAJWA01B76
P0174: leanbank 2. ... are p0171,p0174,p050b, and p2105. i am suspecting a bad mass airlow or a vacum leak causing lean codes. but my main concern is the other 2 codes. i dont have any info on any one of them and i need some direction as to ho...
February 24, 2012
2002 Nissan Frontier SE 3.3L Misfire VIN: 1N6ED29X62
P0174: Fuel Trim Lean (Bank 2). Vehicle has missfire, code 300 & code 174. I can see on the snap on solus pro when the problem occurs , alpha bank 1 goes to down to 65 & bank 2 goes to 110. I know i can use my needle nose plier when the problem occurs i pinched the fuel return hose &...
February 25, 2012
2003 Saturn L300 3.0L MIL Lamp on VIN: 1G8JW54R43
P0174: Fuel Trim System Lean (Bank 2). ... be able to give. This one came to us a few weeks ago about a tranny comcern. While running the car ont the rack, I noticed it was leaking fuel from the top of the tank. Turns out the return nipple was split. It had a p0174 code then too. Replaced the modul...
February 28, 2012