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P0174 Diagnostic Trouble Code Discussion for March 2006

Fuel System Lean (Bank 2)


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Trouble Ticket Help Requests for DTC P0174
Help Request Posted
2003 Ford E-250 5.4L MIL Lamp on VIN: 1FTNE24L83
P0174: bank2 lean. ... keeps setting a code for p1151 and p0174. i have performed the ford tests per their bulletin. the test leads me to believe i have a vaccum leak. while watching my short term values. i am unable to find a leak by either usi...
March 02, 2006
1999 Isuzu Rodeo LS 3.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: 4S2CK58W5X
P0174: Fuel System Too Lean (Bank 2). Hello all This vehicle came in today with a steady miss and poor idle. We scanned and showed a miss on #3 cyl. I swapped coils between 1 and 3 cyls and still showed miss #3. Compression was 165# in that hole and plug was replaced while it was out. We can pull ...
March 06, 2006
1996 Ford Explorer Eddie Bauer 4.0L Poor Idle Quality, Misfire VIN: 1FMDU34X8T
P0174: bank 2 system too lean. Hi everyone, this truck is giving me a lot of problems. It came in for a check engine light on and rough running all the time. I code scanned the truck and found the codes P017I and P1074, #1 & 2 banks too lean. I also checked fuel pressure and it ranges f...
March 08, 2006
1998 Ford Windstar GL 3.8L Poor Idle Quality, Hesitation, Cuts out, Poor Fuel Economy, MIL Lamp on VIN: 2FMZA5148W
P0174: Lean B2. Cust complaint of chk engine light, poor fuel economy. We checked the intake. No sign of excess oil leak. Checked archivewes and found tsb for upper and lower intake. Lower did not appear to have a problem with oil soaking the rubber. Changed the upper gasket ...
March 13, 2006
2001 Land Rover Discovery Series II LE 4.0L No star when cold
P0174: Bank 2 system lean. The car came in the shop with the complain of no start when engine is cold. The engine starts ok if sprayed with starting fluid. I checked for codes and found codes P 0171 and P 0174, both banks running lean. Checked for vacuum leaks and didn't find any leaks....
March 13, 2006
2001 Ford Windstar SEL 3.8L MIL Lamp on VIN: 2FMZA53421
P0174: system too lean bank 2. this is the second van with same issue... other van not repaired yet... manifold tuning valve on both vans had front clips broken... replaced clip on one van and engine light came back on after two day's... same system lean faults... do not want to condem o2 s...
March 14, 2006
2001 Land Rover Discovery Series II LE 4.0L No star when cold
P0174: Bank 2 system lean. The car came in the shop with the complain of no start when engine is cold. The engine starts ok if sprayed with starting fluid. I checked for codes and found codes P 0171 and P 0174, both banks running lean. Checked for vacuum leaks and didn't find any leaks....
March 14, 2006
1999 Pontiac Firebird 3.8L No Start, Poor Idle Quality, Cuts out, MIL Lamp on VIN: 2G2FS22K8X
P0174: Fuel Trim System Lean (Bank 2). ... basics,spark fuel,fuses,etc...service computer stated to hook scan tool and test app sensor 3 for .5-1.3v-no voltage indicated.referred to replace tac module.after replacement same symptoms occur.have tested in detail map,maf and crank sensors all check ok...
March 14, 2006
1999 Ford Ranger XL 3.0L Poor Idle Quality, High idle VIN: 1FTYR10V0X
P0174: lean bank 2. ... p0402 (egr flow) and p0174 (lean bank 2). We found the breather tube from the valve cover to intake boot out. That was plugged back in and codes cleared. No codes have returned. The engine runs and drives fine. The engine ...
March 15, 2006
2000 Ford F-150 4.2L MIL Lamp on VIN: IFTZX1727Y
P0174: system lean b2. ... codes pulled p0171 and p0174. noted small intake leak and repaired. Cleared codes and drove truck. Light comes back on after 20 - 50 miles. Live data looks good on all 4 o2 sensors. I must be over looking something but not sure what.
March 16, 2006
1998 Ford E-150 Econoline 5.4L MIL Lamp on VIN: 1FDRE14L6W
P0174: Lean bank 2. This van came in about 2 months ago with MIL on and no drivability concerns. Scanned codes PO171&PO174, lean both banks. Checked for external vacuum leaks including the PCV hose assembly at rear of intake and found no obvious problems. Both codes were stor...
March 17, 2006
2001 Mercury Sable GS 3.0L MIL Lamp on VIN: 1MEFM50U81
P0174: bank 2 lean. ... all. It idles extremely smooth. No hesatation, no surrge, no stalling, nothing. This car showed up with the check engine light on and a code P0174, lean bank two. LT fuel trim on bank one is +2%. LT fuel trim on bank two is +25%. No sweat, this thing has t...
March 17, 2006
2002 Ford Windstar SE Sport 3.8L Hesitation, Surge, Cuts out, Stall VIN: 2FMZA57412
P0174: Trim System Lean Bank 2. This vehicle is a family friends car. I do not have an access to a scan equipment to give me more accurate readi ngs. Our Nissan Consult will not read the data from Ford vehicle. Original problem with the vehicle was that the motor will idle well but will not ...
March 18, 2006
2000 Ford F-150 4.2L MIL Lamp on VIN: IFTZX1727Y
P0174: system lean b2. ... codes pulled p0171 and p0174. noted small intake leak and repaired. Cleared codes and drove truck. Light comes back on after 20 - 50 miles. Live data looks good on all 4 o2 sensors. I must be over looking something but not sure what.
March 21, 2006
1999 Chevrolet S10 LS 4.3L MIL Lamp on VIN: 1GCCS19X0X
P0174: Fuel System Lean (Bank 2). ... brought truck in for a engine noise which turned out to be a rod knock and a oil pan full of metal. They elected to have a reman. unit installed which we did. Upon road testing the vehicle the ses gave us the p0171 and p0174/...
March 27, 2006
2001 Chevrolet Tahoe 5.3L Poor Idle Quality, MIL Lamp on VIN: 1GNEC13T21
P0174: Fuel Trim System Lean (Bank 2). this veicle came in for a ses light on codes were the ones mentioned above. this particula engine has a problem with the intake gaskets leaking , and also fuel filters plugging up, causing premature pump failure. filter was replaced initially due to being plug...
March 28, 2006
2003 Dodge Intrepid SE 2.7L Excessive Emissions, MIL Lamp on VIN: 2B3HD46RX3
P0174: Fuel System Lean (Bank 2). The vehicle came in because it wouldn't pass emissions test we don't get into this kind of work but due to it belonging to a good customer I kinda got stuck with it. At first we pulled codes and it said the 02 sensor 1/1 was bad so we replaced it light went ou...
March 31, 2006
2000 Jaguar S-Type 4.0L Poor Idle Quality, MIL Lamp on VIN: SAJDA01C7Y
P0174: lean bank 2. HI, CODES P0171,PO174 BOTH BANKS LEAN,HAVE DONE SMOKE TEST NOTHING FOUND,HOWEVER WHEN USING PROPAIN UNDER FRONT OF LOWER INTAKE I GET RICH MIXTURE & SMOOTH IDLE, BEFORE TAKING INTAKE OFF, I SURE WOULD LIKE SOME IMPUT FROM ANY ONE WHO MIGHT HAVE BEEN INTO O...
March 31, 2006
2003 Ford E-250 5.4L MIL Lamp on VIN: 1FTNE24L83
P0174: bank2 lean. ... keeps setting a code for p1151 and p0174. i have performed the ford tests per their bulletin. the test leads me to believe i have a vaccum leak. while watching my short term values. i am unable to find a leak by either usi...
March 02, 2006
1999 Isuzu Rodeo LS 3.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: 4S2CK58W5X
P0174: Fuel System Too Lean (Bank 2). Hello all This vehicle came in today with a steady miss and poor idle. We scanned and showed a miss on #3 cyl. I swapped coils between 1 and 3 cyls and still showed miss #3. Compression was 165# in that hole and plug was replaced while it was out. We can pull ...
March 06, 2006
1996 Ford Explorer Eddie Bauer 4.0L Poor Idle Quality, Misfire VIN: 1FMDU34X8T
P0174: bank 2 system too lean. Hi everyone, this truck is giving me a lot of problems. It came in for a check engine light on and rough running all the time. I code scanned the truck and found the codes P017I and P1074, #1 & 2 banks too lean. I also checked fuel pressure and it ranges f...
March 08, 2006
1998 Ford Windstar GL 3.8L Poor Idle Quality, Hesitation, Cuts out, Poor Fuel Economy, MIL Lamp on VIN: 2FMZA5148W
P0174: Lean B2. Cust complaint of chk engine light, poor fuel economy. We checked the intake. No sign of excess oil leak. Checked archivewes and found tsb for upper and lower intake. Lower did not appear to have a problem with oil soaking the rubber. Changed the upper gasket ...
March 13, 2006
2001 Land Rover Discovery Series II LE 4.0L No star when cold
P0174: Bank 2 system lean. The car came in the shop with the complain of no start when engine is cold. The engine starts ok if sprayed with starting fluid. I checked for codes and found codes P 0171 and P 0174, both banks running lean. Checked for vacuum leaks and didn't find any leaks....
March 13, 2006
2001 Ford Windstar SEL 3.8L MIL Lamp on VIN: 2FMZA53421
P0174: system too lean bank 2. this is the second van with same issue... other van not repaired yet... manifold tuning valve on both vans had front clips broken... replaced clip on one van and engine light came back on after two day's... same system lean faults... do not want to condem o2 s...
March 14, 2006
2001 Land Rover Discovery Series II LE 4.0L No star when cold
P0174: Bank 2 system lean. The car came in the shop with the complain of no start when engine is cold. The engine starts ok if sprayed with starting fluid. I checked for codes and found codes P 0171 and P 0174, both banks running lean. Checked for vacuum leaks and didn't find any leaks....
March 14, 2006
1999 Pontiac Firebird 3.8L No Start, Poor Idle Quality, Cuts out, MIL Lamp on VIN: 2G2FS22K8X
P0174: Fuel Trim System Lean (Bank 2). ... basics,spark fuel,fuses,etc...service computer stated to hook scan tool and test app sensor 3 for .5-1.3v-no voltage indicated.referred to replace tac module.after replacement same symptoms occur.have tested in detail map,maf and crank sensors all check ok...
March 14, 2006
1999 Ford Ranger XL 3.0L Poor Idle Quality, High idle VIN: 1FTYR10V0X
P0174: lean bank 2. ... p0402 (egr flow) and p0174 (lean bank 2). We found the breather tube from the valve cover to intake boot out. That was plugged back in and codes cleared. No codes have returned. The engine runs and drives fine. The engine ...
March 15, 2006
2000 Ford F-150 4.2L MIL Lamp on VIN: IFTZX1727Y
P0174: system lean b2. ... codes pulled p0171 and p0174. noted small intake leak and repaired. Cleared codes and drove truck. Light comes back on after 20 - 50 miles. Live data looks good on all 4 o2 sensors. I must be over looking something but not sure what.
March 16, 2006
1998 Ford E-150 Econoline 5.4L MIL Lamp on VIN: 1FDRE14L6W
P0174: Lean bank 2. This van came in about 2 months ago with MIL on and no drivability concerns. Scanned codes PO171&PO174, lean both banks. Checked for external vacuum leaks including the PCV hose assembly at rear of intake and found no obvious problems. Both codes were stor...
March 17, 2006
2001 Mercury Sable GS 3.0L MIL Lamp on VIN: 1MEFM50U81
P0174: bank 2 lean. ... all. It idles extremely smooth. No hesatation, no surrge, no stalling, nothing. This car showed up with the check engine light on and a code P0174, lean bank two. LT fuel trim on bank one is +2%. LT fuel trim on bank two is +25%. No sweat, this thing has t...
March 17, 2006
2002 Ford Windstar SE Sport 3.8L Hesitation, Surge, Cuts out, Stall VIN: 2FMZA57412
P0174: Trim System Lean Bank 2. This vehicle is a family friends car. I do not have an access to a scan equipment to give me more accurate readi ngs. Our Nissan Consult will not read the data from Ford vehicle. Original problem with the vehicle was that the motor will idle well but will not ...
March 18, 2006
2000 Ford F-150 4.2L MIL Lamp on VIN: IFTZX1727Y
P0174: system lean b2. ... codes pulled p0171 and p0174. noted small intake leak and repaired. Cleared codes and drove truck. Light comes back on after 20 - 50 miles. Live data looks good on all 4 o2 sensors. I must be over looking something but not sure what.
March 21, 2006
1999 Chevrolet S10 LS 4.3L MIL Lamp on VIN: 1GCCS19X0X
P0174: Fuel System Lean (Bank 2). ... brought truck in for a engine noise which turned out to be a rod knock and a oil pan full of metal. They elected to have a reman. unit installed which we did. Upon road testing the vehicle the ses gave us the p0171 and p0174/...
March 27, 2006
2001 Chevrolet Tahoe 5.3L Poor Idle Quality, MIL Lamp on VIN: 1GNEC13T21
P0174: Fuel Trim System Lean (Bank 2). this veicle came in for a ses light on codes were the ones mentioned above. this particula engine has a problem with the intake gaskets leaking , and also fuel filters plugging up, causing premature pump failure. filter was replaced initially due to being plug...
March 28, 2006
2003 Dodge Intrepid SE 2.7L Excessive Emissions, MIL Lamp on VIN: 2B3HD46RX3
P0174: Fuel System Lean (Bank 2). The vehicle came in because it wouldn't pass emissions test we don't get into this kind of work but due to it belonging to a good customer I kinda got stuck with it. At first we pulled codes and it said the 02 sensor 1/1 was bad so we replaced it light went ou...
March 31, 2006
2000 Jaguar S-Type 4.0L Poor Idle Quality, MIL Lamp on VIN: SAJDA01C7Y
P0174: lean bank 2. HI, CODES P0171,PO174 BOTH BANKS LEAN,HAVE DONE SMOKE TEST NOTHING FOUND,HOWEVER WHEN USING PROPAIN UNDER FRONT OF LOWER INTAKE I GET RICH MIXTURE & SMOOTH IDLE, BEFORE TAKING INTAKE OFF, I SURE WOULD LIKE SOME IMPUT FROM ANY ONE WHO MIGHT HAVE BEEN INTO O...
March 31, 2006