P0174 Diagnostic Trouble Code Discussion for December 2004
Fuel System Lean (Bank 2)
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| Help Request | Posted | |
| 1999 Mercury Sable LS 3.0L MIL Lamp on VIN: 1MEFM58S1X P0174: Lean bank 2. I have a Sable will LT fuel trims on both banks in the 20-23, I have check for vac leaks and found none and check MAF sensor, It was clean and voltage looks good. Baro was 153, ok for 1100 feet. Freeze frame shows ST fuel trims 10.9 and LT 20.3 bank 2. ST FTs ... |
December 05, 2004 | |
| 2000 Ford F-150 Lariat 5.4L Misfire, MIL Lamp on VIN: 1FTPX17L4Y P0174: Bank 2 System Lean. KOEO the fuel pressure climbs to 30 then drops off to 0. Installed new fuel pressure regulator from Ford. No Change. Cylinder misfires on 2 and 4 doesn't change after new plugs (from dealer), Swapped injectors and coils around. The misfires sometimes happen on... |
December 06, 2004 | |
| 1999 Ford Windstar LX 3.8L MIL Lamp on VIN: 2FMZA5142X P0174: system too lean bank 2. Hello! Problem started a couple of months ago. Customer complaint was MIL light on. Scanned it, found the 2 codes, no other problems were noticed. I did a KOEO, KOER with no trouble and cleared codes. Customer had not noticed any running problems, only MIL on.... |
December 07, 2004 | |
| 2002 Saturn Vue 3.0L MIL Lamp on, lean code VIN: 5GZCZ63B12 P0174: Fuel Trim System Lean (Bank 2). engine running lean both banks. snap throttle test shows switching of front sensors followed by post sensors. system then returns to lean. vehicle drives fine and no other problems. not up to speed on saturns. thanks in advance for any help. |
December 10, 2004 | |
| 1997 Ford Explorer XL 4.0L MIL Lamp on VIN: 1FMDU34X5V P0174: sys too lean bank-2. Prolbem #1 p0171 & p0174 both banks to lean. And I Seem to have a small lean missfire at idel any temp. I looked for vac leaks, not seen yet. Since both banks are lean by code, I was thinking it could be a vac leak. Where could this vac leak be on a 4... |
December 14, 2004 | |
| 1999 Ford Contour LX 2.5L Stall VIN: 1FAFB66L1X P0174: Bank 2 lean. this car came in on a cold day, complaining that they couldn't keep it running. I was able to but had to keep foot on gas, Had PO171,174 codes. tuned up & weather warmed up, was OK for a week and a half. now its cold again & It's back. Fuel pressure is... |
December 15, 2004 | |
| 1998 Ford Explorer Sport 4.0L Poor Idle Quality, Surge, Stall VIN: 1FMYU24E6W P0174: system to lean. start fine but stall and runs rough for short time after cold start once started warm up run fine rest of day replace iac valve cleaned mass sensor run smoke test on intake had alitte smoke out of injecter holes and holes in egr valve |
December 23, 2004 | |
| 1999 Ford Windstar SE 3.8L MIL Lamp on VIN: 2FMDA5247X P0174: B2 lean. This Vehicle continually sets P0171 and P0174 both banks lean, Vehicle runs fine, no gas milage complaint, we have tested for vacuum leeks, checked MAF and MAF plumbing, Fuel pressure 36 PSI regulator connected and 44 regulator disconnected, we are stumped on ... |
December 27, 2004 |
