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P0174 Diagnostic Trouble Code Discussion for May 2010

Fuel System Lean (Bank 2)


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Trouble Ticket Help Requests for DTC P0174
Help Request Posted
2001 Ford Taurus SE 3.0L Poor Idle Quality VIN: 1FAFP53U12
P0174: lean bank two. Hi All this ford came in with mil on. Scanned and found fuel pressure koeoff 25 koeon 29 lbs. replace pump with airtex module, and filter, (pluged bad). after replacement pressure up to 45 koeoff and 39 to 40 koeon. all seemed well. Three days later it's bac...
May 01, 2010
1997 Ford F-150 4.2L Excessive Emissions, Poor Idle Quality, Surge, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1FTDF1821V
P0174: Bank 2 Lean. ... keeps throwing a p0174 Bank 2 lean code. I thought no problem, standard pcv hose problem. The ltft on bank 2 is 20 and up at idle and stft is between 6 and 9 at idle. My upstream o2 has a pretty steady reading of 40mV and the downstream o2 is usually alway...
May 03, 2010
1999 Chevrolet Express 3500 5.7L Hesitation, Cuts out, Stall VIN: 1GAHG39R9Y
P0174: Fuel Trim System Lean (Bank 2). This van came in with severe hesitation (had to be towed in). First thing I noticed was no check engine light even when performing bulb check (koeo). Checked codes and found what I listed. Also I should mention that with the hesitation was also severe backfire...
May 05, 2010
1997 Ford F-150 4.2L Excessive Emissions, Poor Idle Quality, Surge, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1FTDF1821V
P0174: Bank 2 Lean. ... keeps throwing a p0174 Bank 2 lean code. I thought no problem, standard pcv hose problem. The ltft on bank 2 is 20 and up at idle and stft is between 6 and 9 at idle. My upstream o2 has a pretty steady reading of 40mV and the downstream o2 is usually alway...
May 05, 2010
1998 Ford F-150 Lariat 5.4L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 1FTRX07L5W
P0174: B2 lean. ... truck came in after failing the emmision test. The codes were a p0171 and p0174. I have had this problem before on this truck and had already replaced the pcv hose assy. I pulled the hose to check it and it was ok. One thing that is getting me is the vehic...
May 05, 2010
2001 Ford F-150 XLT 5.4L Hesitation, Cuts out VIN: 1FTRW08LX1
P0174: System lean bank 2. Came in for loss of power ender load the codes where in history cant get them to come back- i smocked system for any vacuum leaks none found- o2's reading ok along with fuel trims,temp ect. Checked cats for blockage the truck runs fine until you get on the gas...
May 11, 2010
1997 Chevrolet K1500 Silverado 5.7L Hesitation, Cuts out, MIL Lamp on VIN: 2GCEK19R1T
P0174: Fuel Trim System Lean (Bank 2). this truck came to my shop because when you give it gas it does not rev up it stumbles and cuts out and sometimes dies the cam retard was at 20 degrees when it came in customer told me he replaced the engine and removed the distributor i removed the distributo...
May 12, 2010
1997 Chevrolet K1500 Silverado 5.7L Hesitation, Cuts out, MIL Lamp on VIN: 2GCEK19R1T
P0174: Fuel Trim System Lean (Bank 2). this truck came to my shop because when you give it gas it does not rev up it stumbles and cuts out and sometimes dies the cam retard was at 20 degrees when it came in customer told me he replaced the engine and removed the distributor i removed the distributo...
May 14, 2010
2005 Jaguar XJ8 4.2L MIL Lamp on VIN: SAJWA82C95
P0174: Bank 2 combustion too lean. ... Code pulled was P0174 (Bank 2 combustion too lean). Cleared and reset codes. I listened for an air leak, I didn't hear any. On other Jags this has always worked well for me. I could hear a hiss through the hose on the right hand side of the engine (runs ...
May 17, 2010
2005 Jaguar XJ8 4.2L MIL Lamp on VIN: SAJWA82C95
P0174: Bank 2 combustion too lean. ... Code pulled was P0174 (Bank 2 combustion too lean). Cleared and reset codes. I listened for an air leak, I didn't hear any. On other Jags this has always worked well for me. I could hear a hiss through the hose on the right hand side of the engine (runs ...
May 19, 2010
2004 Jeep Grand Cherokee Laredo 4.0L Excessive Emissions, Poor Fuel Economy, MIL Lamp on VIN: 1J4GW48SX4
P0174: Fuel System Lean (Bank 2). Hello all! This Jeep came in to us after failing it's emissions test. Limit for hc was 1.2 reading was 18.0! Limits for co was 15.0, reading was 168.9!!! We brought it in and checked the readings, rear upstream o2 sensor and downstream (after cat) sensors were...
May 27, 2010