P0170 Fuel Trim Malfunction The Ultimate Mechanic's Handbook

P0170 indicates a fuel trim malfunction in Bank 1 of the engine. This means the engine control module (ECM) is having difficulty maintaining the ... List of possible causes: - Intake air leaks - Faulty front heated oxygen sensor - Ignition misfiring - Faulty fuel injectors - Exhaust gas leaks - Incorrect ... The Toyota FSM says the P0170 code for the 1995 LC is not set until fuel trims have reached +/- %35 and my trims are not even close to that. P0170 Fault ... Anyone on here pull a P0170 code? (Bank 1 Fuel Trim Fault) Looking for some guidance on how to proceed. P0170 code definition Fuel Trim Malfunction (Bank 1) What the P0170 code means The P0170 code means that the powertrain control module is detecting a fuel ... That is a fuel trim error, not just related to MAF, but vacuum leaks, bad O2 sensor, Oil contamination in MAF connector or O2 sensor connectors. Fuel trims codes indicate that the ecu is seeing a reading that indicates that the air fuel ratios are incorrect. The sensor was replaced and ... ANY ONE HAD THIS CODE ON THEIR BMW Z3 1.9 (2000) THINK IT MEANS FAULT IN FUEL TRIM (BANK 1) HAVE CHANGED THE FUEL FILLTER BUT STILL GET THE ... 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 ...