P0174 Diagnostic Trouble Code Discussion for June 2012
Fuel System Lean (Bank 2)
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Trouble Ticket Help Requests for DTC P0174
| Help Request | Posted | |
| 2006 Toyota Sienna LE 3.3L Misfire, MIL Lamp on VIN: 5TDZA23C46 P0174: Fuel System Too Lean (Bank 2). ... Vehicle came in with a light misfire. Also had multiple codes stored. Cleared codes and P0305 comes back immidiately. Misfire data shows a constant misfire count. Performed a tune up due to original plugs. Swapped coil to #6 hole, to see if miss changed cy... |
June 01, 2012 | |
| 2006 Toyota Sienna LE 3.3L Misfire, MIL Lamp on VIN: 5TDZA23C46 P0174: Fuel System Too Lean (Bank 2). ... Vehicle came in with a light misfire. Also had multiple codes stored. Cleared codes and P0305 comes back immidiately. Misfire data shows a constant misfire count. Performed a tune up due to original plugs. Swapped coil to #6 hole, to see if miss changed cy... |
June 07, 2012 | |
| 2000 Mercury Cougar 2.5L Poor Idle Quality, MIL Lamp on VIN: 1ZWFT61L2Y P0174: System too lean bank 2. ... po172 system too rich b1 and p0174 system too lean b2. Fuel trims were 30 +. Looked for vac. Leaks and found intake gasket leaking. Replaced upper and lower gasket and rechecked for leaks and none were found. Customer returned 2 days later with same runnin... |
June 12, 2012 | |
| 2002 Ford F-150 XL 4.2L low power VIN: 1FTRF17242 P0174: bank two lean. smoke tested intake, egr and lft rear inj seal leaking. It appears the b2s2 may be lazy. Ive read the many reply for this engine and agree I probably need to replace intake gasket but what is throughing me off is the rich fuel condition on bnk 1 causing the lt... |
June 15, 2012 | |
| 2004 Jeep Grand Cherokee Laredo 4.0L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy, MIL Lamp on VIN: 1J4GW48S84 P0174: Fuel System Lean (Bank 2). Ok, this one really takes the cake. The computer thinks bank 2 is lean when in fact it is not, then the computer adds fuel for an extream lean condition that does not exist. Here is what is happening, bank 2 s1 o2 reads ok at times, then the o2 sensor will go... |
June 29, 2012 |
