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P0174 Diagnostic Trouble Code Discussion for December 2008

Fuel System Lean (Bank 2)


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Trouble Ticket Help Requests for DTC P0174
Help Request Posted
2002 Ford E-350 Econoline 5.4L Misfire, MIL Lamp on VIN: 1FTSS34L22
P0174: lean bank two. ... p0305,p0306,p0308 miss fire codes, p0316 lean missfire on startup. this van really runs half way decent, has slight engine missfire on acceleration. cold start and cold running are great other than t...
December 01, 2008
1995 Mercury Grand Marquis GS 4.6L MIL Lamp on VIN: 2MELM75W2X
P0174: Right bank lean exhaust. This car runs fine no driveability symptoms only CE light comes on. This car has all the signs of a classic vacuum leak at idle I have smoke tested the intake system only has a small amount of smoke coming from the vent on the IAC. I plugged off the vent it d...
December 03, 2008
2003 Ford Expedition Eddie Bauer 4.6L Excessive Emissions, Misfire, MIL Lamp on VIN: 1FMRU17W13
P0174: Bank 2 lean. Well, got this expedition in couple days ago. All the codes listed above were present. Engine skipping, low power. Scan PID's showed Bank 1 running very rich- LTFT- -25%, Bank 2 running lean- LTFT- +15% to +25%. Vacuum gauge shows a steady 18in. Fuel pressure ...
December 05, 2008
2003 Mazda MPV LS 3.0L MIL Lamp on VIN: JM3LW28A53
P0174: Adaptive Fuel Trim Too Lean (Bank 2). ... gaskets (from Mazda dealer)because of the codes:P0171 and P0174. After running 30 kms, same MILs came on again. Engine running is very smooth and sound level is normal. I inspected the vacuum hoses and exhaust side crack visually, and I could not find any ...
December 05, 2008
2000 Ford E-250 Econoline 5.4L Misfire, MIL Lamp on VIN: 1FTNS24LXY
P0174: system too lean bank 2. ... little out of my league on this one. I am not the best driveability guy. Customer complained of misfire and MIL on. Scanned codes and retrieved P0174, P0306 and P0308. Apparently P0174 (System too lean Bank 2) has been there ...
December 08, 2008
2004 Jeep Wrangler Rubicon 4.0L MIL Lamp on VIN: 1J4FA69S64
P0174: Fuel System Lean (Bank 2). ... came in with codes P0171 & P0174 Lean on both front & rear Banks. Found fuel pressure to be low. So we replaced fuel pump now we have 57PSI & reset all adaptives & did a drive cycle. While on drive cycle found LT front @ +16% And LT rear @ ...
December 08, 2008
2001 Cadillac Catera 3.0L Poor Idle Quality VIN: W06VR54R41
P0174: Fuel Trim System Lean (Bank 2). Hello to all, Need some help on this Catera. Vehicle came in po171 po174 po302 po303 po305. and a high idle problem vehicle had high idle prior to misfire replaced plugs and coil packs misfire gone still idles around 1100-1200 checked fuel pressure @ 30 PSI KO...
December 09, 2008
2002 Chevrolet Tahoe LS 5.3L MIL Lamp on VIN: 1GNEK13Z32
P0174: Fuel Trim System Lean (Bank 2). this truck came in with miss fire codes, we did a tune up first(Could actually see the spark plug wires arching), customer came back a week later with a new missfire, tested convertor for excessive back pressure - OK . tested fuel pressure OK. Located #3 injec...
December 09, 2008
2009 Toyota Sienna CE 3.5L MIL Lamp on VIN: 5TDZK29C38
P0174: bank 2 lean. ... this 08 sienna brought into my shop after being repaired for an accident (front bumber up to front exhaust mani) check engine light is on p0171 and p0174. we put a scan tool on this car and got (the first number is at idle the second is at 2500rpm) LTFT1 ...
December 09, 2008
2001 Cadillac Catera 3.0L Poor Idle Quality VIN: W06VR54R41
P0174: Fuel Trim System Lean (Bank 2). Hello to all, Need some help on this Catera. Vehicle came in po171 po174 po302 po303 po305. and a high idle problem vehicle had high idle prior to misfire replaced plugs and coil packs misfire gone still idles around 1100-1200 checked fuel pressure @ 30 PSI KO...
December 10, 2008
2004 Jeep Wrangler Rubicon 4.0L MIL Lamp on VIN: 1J4FA69S64
P0174: Fuel System Lean (Bank 2). ... came in with codes P0171 & P0174 Lean on both front & rear Banks. Found fuel pressure to be low. So we replaced fuel pump now we have 57PSI & reset all adaptives & did a drive cycle. While on drive cycle found LT front @ +16% And LT rear @ ...
December 10, 2008
2002 Ford F-150 XL 4.2L MIL Lamp on VIN: 1FTRX17222
P0174: system too lean bank 2. I have three vehicles doing the same thing possible four. All have the 4.2L V6. Two of these I have done the upper intake gaskets. Now three of them come back with the same codes and the IMRC shafts at the back of the intake are leaking vaccum. My question is ...
December 11, 2008
2009 Toyota Sienna CE 3.5L MIL Lamp on VIN: 5TDZK29C38
P0174: bank 2 lean. ... this 08 sienna brought into my shop after being repaired for an accident (front bumber up to front exhaust mani) check engine light is on p0171 and p0174. we put a scan tool on this car and got (the first number is at idle the second is at 2500rpm) LTFT1 ...
December 11, 2008
2004 Ford F-150 Lariat 5.4L Runs rough VIN: 1FTPX12514
P0174: Lean Bank 2. Truck brought in from another shop who had already replaced intake manifold, all coils, and all O2 sensors, and MAF but still running rough and has code PO174. We tested it and replaced fuel injectors #5, 6,&7 but still same symptoms so we replaced both ti...
December 12, 2008
2002 Saturn Vue 3.0L Hesitation, Surge, Stall, Misfire, MIL Lamp on VIN: 5GZCZ63B02
P0174: Fuel Trim System Lean (Bank 2). still barely runs at idle, play with gas pedal and it takes off after back firing a few times. then it dies. then you have to do it all over again. when it revs up its like a runaway. you have very little control over rpm.
December 16, 2008
1998 Ford Explorer Eddie Bauer 4.0L Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1FMZU32E1W
P0174: engine lean bank 2. This explorer has a bad missfire on cold start and with long term fuel trims at 25 on both banks I am changing the intake gaskets (seals). What I'm not sure of is I found a plastic vaccume line that has melted against the exhaust and can NOT find the source. I...
December 19, 2008
2001 GMC Yukon XL 1500 SLT 5.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GKFK16T71
P0174: Fuel Trim System Lean (Bank 2). Hopefully one of you fine folks can shed some light on this Subdivision thats handing me my a@@! I put the fuel pump in back in April when it came in as a no start. At that time we also cleaned the MAF, T.B. and put plugs in it since they were fairly worn. Two...
December 19, 2008
1998 Ford Explorer Eddie Bauer 4.0L Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1FMZU32E1W
P0174: engine lean bank 2. This explorer has a bad missfire on cold start and with long term fuel trims at 25 on both banks I am changing the intake gaskets (seals). What I'm not sure of is I found a plastic vaccume line that has melted against the exhaust and can NOT find the source. I...
December 22, 2008
2003 GMC Yukon SLE 4.8L MIL Lamp on VIN: 1GKEK13V33
P0174: Fuel Trim System Lean (Bank 2). vehicle came in with hard system lean bank 1 and 2 codes, checked fuel pressure was 40psi, tried to adjust regulator would not change, replaced regulator and adjusted to 48 psi max, replaced fuel pump + filter and adjusted fuel pressure to 54psi. long term fue...
December 23, 2008
1999 Ford Windstar LX 3.8L Poor Idle Quality, Surge, Cuts out, Stall, MIL Lamp on
P0174: bank 2 system lean. ... with this lean problem.But first let me apologize for not having the VIN#.IT was a crazy day and really forgot to jot down the VIN before vehicle was picked up.Will be back on Friday. Vehicle has this poor idle when in park and most noticeable in gear.It ...
December 30, 2008