P0174 Diagnostic Trouble Code Discussion for April 2004
Fuel System Lean (Bank 2)
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| Help Request | Posted | |
| 1999 Chevrolet C1500 LS 5.7L Surge, MIL Lamp on VIN: 1GECEC19RX P0174: Fuel Trim System Lean (Bank 2). Truck surges under acceleration. Found following codes stored PO171, PO174, PO300. Verified symptoms. Does surge and has loss of power under acceleration. Monitored left and right oxygen sensors - system does go lean and short term fuel trim will rise to +40% ... |
April 01, 2004 | |
| 1997 Nissan Maxima GLE 3.0L Excessive Emissions, MIL Lamp on VIN: JN1CA21DXV P0174: Fuel Trim Lean (Bank 2). this maxima failed CA two speed idle test I have looked at it and found the ecm thinks the engine is running lean and it adding max positive fuel trim I thougt it would be a MAF problem for sure but i disconnected the maf and reset the ecm and it still does th... |
April 01, 2004 | |
| 1999 Ford Contour LX 2.5L MIL Lamp on VIN: 1FAFP66LOX P0174: system too lean bank 2. I'm having a problem solving this one! PO171& PO174 stored in memory.Checked everything according to Alldata and so far the problem re-occurs. Is it possible the intake on this particular vehicle is leaking? I know that Fords have a lot of problems with th... |
April 02, 2004 | |
| 1999 Ford Explorer Eddie Bauer 5.0L Hesitation, MIL Lamp on VIN: 1FMZU32P6X P0174: system too lean bank 2. I need a little help with this fuel pressure on this ford. We are running at 65psi koeo and koer. Unplugging the vacume hose to the regulator makes no change. There are no specs for koer in MOD. It seems a bit high , but after reading the fixes for the fords t... |
April 12, 2004 | |
| 2000 Ford Crown Victoria 4.6L Excessive Emissions, Poor Fuel Economy, MIL Lamp on VIN: 2FAFP71WXY P0174: system too rich bank 2. This is only one of several Crown Vics with high fuel pressure. Problem came on suddenly 2 weeks ago and now we are seeing no less than 3 Fords per day with MIL on and high fuel pressure. Fuel pressure regulator allows psi to exceed specs, turns on MIL. Tappin... |
April 14, 2004 | |
| 1999 Volvo S70 2.4L MIL Lamp on VIN: YV1LS55A3X P0174: fuel system at rich limit. ... check engine light is on with codes p0174 and p1017. My autodiagnos scanner will only go to 1998 modles. I am using the snap on scanner that gives littls info and alldata gives very little info also. Can some one tell me how the front o2 sensor should work... |
April 14, 2004 | |
| 1995 Ford Mustang 3.8L pings when accelerat VIN: 1FALP4047S P0174: system too lean bank 2. A SHOP FIRST REMOVED HEADS & RTEPLACED GASKETS, THEN THEY REPLACED BOTH HEADS. nOW i HAVE THE CAR. THE EGR VALVE SEEMS TO OPERATE CORRECTLY. WHEN i ENERGIZE THE EGR SOLENOID BY GROUNDING THE BLACK WIRE THE ENGINE WILLL STALL .tHE ECU READS THE TEMP OF ECT ... |
April 15, 2004 | |
| 1996 Mercury Sable LS 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1MELM53S9T P0174: Lean bank 2. Have a Sable with rough idle and check engine light. Has misfire codes for cylinders 1,2 and 3. All on bank #1. Long term fuel trim on bank 1 is -18%, Long term fuel on bank 2 is 20%. Check for vacuum leaks at intake manifold, none detected. Unsure why bank 1 ... |
April 16, 2004 | |
| 2000 Ford Windstar LX 3.8L MIL Lamp on VIN: 2FMZA514XY P0174: system lean bank 2. tsb performed for codes p0174 -- replaced left valve cover replaced isolation bolts and grommets -- replaced upper and lower plenum gaskets -- once warmed up bank 2 o2s run lean we can force them rich by adding propane. rear follows the front so i think 02 are... |
April 20, 2004 | |
| 1999 Ford E-350 Econoline Club Wagon Chateau 6.8L Poor Idle Quality, Surge, MIL Lamp on VIN: 1FBNE31S4X P0174: Bank 2 System Lean. ... want all to know that our expertise is mostly in Powertrain Systems such as, but not limited to, transmissions, transfer cases, drive axles, etc., although we know a little beyond the fundamentals of driveability issues. Also, this van belongs to one of ou... |
April 26, 2004 | |
| 1999 Jaguar XJ8 4.0L MIL Lamp on VIN: SAJHD6036X P0174: lean bank two. ... his Jag to point of engine seizure. Came in on hook with no compression and coolant in three cylinders. Purchased new engine from local Jag Dealer. Installed and had misfire on cylinder #3. Traced to no valve clearance on one of #3 intake valves. Convinced... |
April 29, 2004 |
