1998 Lexus LS 400 "bank fuel rich system" Questions

...You do need the full code, the above numbers are not valid codes, need a letter and one more number 0-9 Fuel system to rich bank 2 which is the passenger side.I would check for leaking

...Lean (Bank 2) fuel trim is system to modify injector pulse if system go lean it will go rich when the system is too much lean and is max.rich it code look for 02 sensor bank 1 and 2 data hope it ...

...bank 1 sensor 1 fuel system is too rich fuel pressure too high fuel pressure regulator leaking or more than 1 fuel injector leaking. fuel contaminated.check spark plugs if black carbon color fuel ...

...FUEL TOO LEAN BANK 1. CODE PO172 SYSTEM ADAPTIVE FUEL TOO RICH BANK 1. CODE PO174 SYSTEM ADAPTIVE FUEL TOO LEAN BANK 2. CODE PO175 SYSTEM ADAPTIVE FUEL TOO RICH BANK 2. ALL CODES COULD BE CAUSED BY ...

...bank (containing cylinders 2, 4, 6, and 8) is consistently reporting a rich exhaust mixture rather than a reading toggling between lean and rich. This might mean you have a fuel injector that is not ...

...Fuel System Too Rich (Bank 1).P0172 - System Too Rich (Bank 1) Essentially this DTC means that an oxygen sensor in bank 1 detected a rich condition. When the code says that the Fuel System is "too ...

bank 2 indicate the fuel/air ratio is correcting rich for an overly lean condition. The HO2S voltage is less than 0.45 volt. DTCs P1132 bank 1 (Cylinder 1) and P1152 bank 2 indicate the fuel/air ratio

bank 1 p0172 fuel too rich bank 2 p0171 p0174 PO 171 Bank 1 too lean PO 174 Bank 2 too lean Why ? The front O2 Sensors need to be replaced at 100,000 miles or sooner, if they have actually failed They

...Fuel System 1 and 2 Closed Loop P0153-Curcuit Slow REsponse Bank 2 Sensor 1 P0172-System Bank Too Rich Bank 1 P0175-System Bank Too Rich Bank 2 Please help me fix these things. Maybe one of these ...

bank 2 indicate the fuel/air ratio is correcting rich for an overly lean condition. The HO2S voltage is less than 0.45 volt. DTCs P1132 bank 1 (Cylinder 1) and P1152 bank 2 indicate the fuel/air ratio