P0170 Fuel System Malfunction, Unraveled and Resolved

P0170 indicates a fuel trim malfunction in Bank 1 of the engine. This means the engine control module (ECM) is having difficulty maintaining the ... It reads like the engine is overfuelling, how old is the car ? it's recommended to replace the oxygen (lambda) sensors every ten years or so. You're after cat lambda is showing a lean condition +16% this is the LTFT but the Short trim ( stft ) is in the range 2.3%. Hi All, I currently have trouble codes P0133 and P0170 Bank 1 sensor 1 slow response Bank 1 fuel trim I have been battling the P0133 and P0170 ... Generally this looks like a Fuel Trim Malfunction for Bank 1. It looks like this indicates I'm likely running too lean or too rich, but does not ... P0170 is Fuel Trim Malfunction (Bank 1). Building THE GREATEST 3G to date and possibly EVER built by PharmEcis. MIVEC 6G75 Turbo 5 Speed AWD. Your code is "Fuel trim malfunction (bank 1) " , so this means your problem is likely to be your O2 sensor on your driver's side of the engine, ... The fault code P0170 can be caused by parts like the fuel filter, fuel pressure regulator or the air mass meter. The adaptive values in the ECU are adjusted so ... 16555/P0171/000369 - Fuel Trim; Bank 1: System Too Lean. Possible Causes: Mass Air Flow Sensor (G70) defective, Intake System Leak(s). The engine code seems to relate to a plausability failure. There are several subtypes listed in the manual, but they all relate to exhaust leak ...